Kattegat · 65 episodes
The fictional Norwegian home port of Ragnar’s family. This marker represents the show’s settlement, not the real Kattegat strait between Denmark and Sweden.
S1 E1: Rites of Passage — The assembly makes control of the sailing routes a public dispute over who may decide the community's future.
S1 E3: Dispossessed — The division of the spoils turns a successful overseas raid into a fresh contest over authority at home.
S1 E4: Trial — The assembly turns competing accounts of the raid into a test of political power.
S1 E5: Raid — Haraldson's attack on the household makes opposition to the Earl a danger to everyone dependent on Ragnar.
S1 E6: Burial of the Dead — The duel, allegiance and funeral turn a personal victory into a publicly recognized transfer of rule.
S1 E7: A King's Ransom — Lagertha must continue governing while suffering a loss the campaigning men cannot share directly.
S1 E9: All Change — Illness makes the home port a place of bereavement while Ragnar pursues negotiations elsewhere.
S2 E1: Brother's War — Aslaug's arrival forces a public success to confront a household decision Ragnar cannot make for everyone.
S2 E3: Treachery — Borg exploits the fighting force's absence, forcing Ragnar's family into flight.
S2 E4: Eye for an Eye — Its occupation redirects Ragnar's attention from overseas opportunity to restoring a home and power base.
S2 E5: Answers in Blood — The effort to recover the town tests Ragnar and Lagertha's ability to cooperate after their separation.
S2 E6: Unforgiven — Borg's return under negotiation becomes an arrest, exposing the distance between alliance terms and Ragnar's intentions.
S2 E7: Blood Eagle — Borg's punishment becomes a public assertion of Ragnar's authority, supported by Lagertha's independent position.
S2 E8: Boneless — Ivar's birth forces the household to decide whose judgment will determine his future.
S2 E9: The Choice — Porunn's freedom changes the conditions of her relationship with Bjorn beyond the army's immediate campaign.
S2 E10: The Lord's Prayer — The attack on Ragnar's household becomes the setting in which Horik loses both his plan and his kingship.
S3 E2: The Wanderer — The visitor arrives among households already separated from the fighting force.
S3 E3: Warrior's Fate — Harbard's arrival tests trust among people caring for the households left behind.
S3 E4: Scarred — The frozen water turns care of Aslaug's children into a fatal emergency.
S3 E5: The Usurper — News of the deaths brings the expedition's consequences into the community's daily life.
S3 E6: Born Again — Athelstan's death turns an internal religious division into Ragnar's private bereavement.
S4 E1: A Good Treason — Ragnar's weakness exposes uncertainty about who may order punishment on the king's behalf.
S4 E2: Kill the Queen — Floki's confinement separates him from the household grief Helga must bear.
S4 E3: Mercy — Ragnar's encounter with Helga's suffering changes the punishment he has imposed on Floki.
S4 E4: Yol — The seasonal gathering gives Harald an audience for an ambition extending across Norway.
S4 E9: Death All 'Round — Siggy's death exposes another loss within the household while the adult leaders campaign abroad.
S4 E10: The Last Ship — The transformed town and adult sons make Ragnar's return a challenge to authority he can no longer assume.
S4 E11: The Outsider — Ragnar finds an adult family with independent plans rather than a waiting pool of followers.
S4 E12: The Vision — Recruitment and farewells expose the difference between Bjorn's rising prospects and Ragnar's damaged reputation.
S4 E13: Two Journeys — Lagertha attacks while several potential defenders and rivals are abroad.
S4 E14: In the Uncertain Hour Before the Morning — Aslaug's death changes the succession struggle into a grievance her sons cannot separate from Lagertha's rule.
S4 E15: All His Angels — Ivar returns to discover that his mother's death has added another demand for vengeance.
S4 E16: Crossings — Lagertha strengthens the town while news of Ragnar's death increases the danger around her rule.
S4 E17: The Great Army — The gathering fleet turns a family loss into a collective military undertaking while leaving the family's internal dispute unresolved.
S4 E18: Revenge — Egil's infiltration prepares a separate struggle for power behind the campaigning army.
S4 E19: On the Eve — The failed assault exposes Harald's interest in the town and the practical value of Lagertha's preparations.
S5 E1: The Fisher King — Harald's return renews the contest over rule rather than leaving the homeland outside the army's disputes.
S5 E2: The Departed — Harald's escape removes Astrid and converts a failed detention into a personal grievance.
S5 E4: The Plan — Ubbe's return adds another son of Ragnar to Lagertha's side of the developing conflict.
S5 E5: The Prisoner — Floki asks people to exchange established homes for a future grounded in his account of Iceland.
S5 E6: The Message — The arriving message turns a concealed plan of attack into information the defenders can act on.
S5 E7: Full Moon — Returning allies and a marriage proposal become part of the countdown to the expected attack.
S5 E8: The Joke — The struggle over the town's rule produces a battlefield advantage without a final political settlement.
S5 E10: Moments of Vision — The battle for its rule drives Lagertha's side out and changes who can offer refuge or dictate terms.
S5 E11: The Revelation — Ivar turns military victory into kingship and a threat against the people who fled.
S5 E12: Murder Most Foul — Freydis's secret changes the meaning of the pregnancy Ivar expects to confirm his future.
S5 E13: A New God — Ivar's staged assertion of sacred authority asks the community to accept more than his military kingship.
S5 E14: The Lost Moment — The public sacrifice and Seer's murder turn claims of divine authority into acts of intimidation.
S5 E16: The Buddha — Hvitserk encounters a religious alternative within the community ruled by Ivar's claims of divinity.
S5 E17: The Most Terrible Thing — Thora's threatened safety gives Ivar control over Hvitserk even when he sends him away.
S5 E18: Baldur — The treatment of Baldur and Thora makes Ivar's rule destructive within his own household and family circle.
S5 E20: Ragnarok — Freydis's aid helps the attackers breach Ivar's control, turning the home port into the setting of another transfer of rule.
S6 E1: New Beginnings — Bjorn must turn the defeat of Ivar into workable rule over a divided community.
S6 E6: Death and the Serpent — Lagertha reaches the home community after battle but encounters Hvitserk's fatal hallucination instead of safety.
S6 E7: The Ice Maiden — Lagertha's funeral transforms private bereavement into a public account of who she was.
S6 E8: Valhalla Can Wait — The staged execution and banishment make Bjorn's justice a public statement about the limits of kinship.
S6 E12: All Change — Bjorn's absence turns widowhood, pregnancy and ambition into competing claims to the town's future.
S6 E13: The Signal — Harald's arrival interrupts the local succession contest by asserting his existing Norwegian crown.
S6 E14: Lost Souls — Harald reshapes the succession dispute through marriage proposals and a new relationship with Erik.
S6 E15: All at Sea — Gunnhild refuses Harald's offered marriage, removing another route by which his new order might be consolidated.
S6 E16: The Final Straw — Harald's acceptance gives Ivar and Hvitserk space to turn an uneasy return into a proposal for war.
S6 E17: The Raft of Medusa — Erik's attempt to turn temporary authority into permanent control meets Ingrid's resistance.
S6 E18: It's Only Magic — Ingrid's decisions about taxation and religious opposition make her authority practical rather than merely ceremonial.
S6 E19: The Lord Giveth... — The defeat of the assassination plot removes Erik and leaves Ingrid's position stronger.
S6 E20: The Last Act — Ingrid's consolidated queenship ends the contest for rule without restoring the old family order.
Wessex · 27 episodes
Ecbert’s kingdom makes settlement, faith and royal ambition inseparable.
S2 E2: Invasion — The unexpected landing opens Ragnar's ambitions toward Ecbert's kingdom rather than the familiar Northumbrian target.
S2 E3: Treachery — Fertile farmland makes permanent settlement seem valuable alongside immediate military gains.
S2 E4: Eye for an Eye — Athelstan's rescue moves him into Ecbert's orbit while Ragnar leaves England.
S2 E8: Boneless — The renewed expedition tests whether Ragnar can offer safe conduct while sharing a force with Horik.
S2 E9: The Choice — Military defeat produces a settlement offer whose price is participation in English political conflict.
S3 E1: Mercenary — The land agreement gives settlers a possible future while binding the army to Ecbert's conditions.
S3 E5: The Usurper — The destruction of the settlement breaks the practical foundation of Ragnar's agreement with Ecbert.
S3 E6: Born Again — Judith's child links the English royal household to Athelstan even as his life ends elsewhere.
S4 E2: Kill the Queen — The rescue of Kwenthrith and Magnus makes Æthelwulf the person who must physically carry out Ecbert's strategy.
S4 E13: Two Journeys — The shipwrecked party abandons escape and presents itself to the English authorities.
S4 E14: In the Uncertain Hour Before the Morning — Ragnar and Ecbert turn a personal reckoning into terms governing Ivar's return and Ragnar's captivity.
S4 E15: All His Angels — Ragnar leaves Ecbert with an assurance that differs from the command he gives Ivar.
S4 E20: The Reckoning — Ecbert's final bargain conceals the changed legal basis of his authority from the army accepting it.
S5 E9: A Simple Story — Æthelwulf's death and Æthelred's refusal of the crown place Alfred at the center of a new royal order.
S5 E11: The Revelation — Lagertha's group enters Alfred's political order without the leverage it enjoyed at home.
S5 E12: Murder Most Foul — Land and protection become conditional on military service while Heahmund's killing threatens his standing.
S5 E13: A New God — Baptism and conspiracy place Alfred's Norse alliance beside opposition within his own royal family.
S5 E14: The Lost Moment — Æthelred's retreat from the coup prevents a planned seizure of Alfred's crown.
S5 E15: Hell — The battlefield vindicates cooperation with the Norse allies even as the royal family's internal conspiracy emerges.
S5 E16: The Buddha — Judith acts against the brother Alfred has chosen to forgive, exposing a dangerous split inside royal protection.
S5 E17: The Most Terrible Thing — Alfred must absorb the consequences of a killing committed to secure his reign while preparing for another threat.
S5 E18: Baldur — Judith and Lagertha discuss loss and responsibility during Lagertha's recovery.
S5 E19: What Happens in the Cave — Ubbe's combat seeks an agreement that could let settlement replace another campaign.
S6 E17: The Raft of Medusa — Alfred's withdrawal makes interpretation of terrain and apparent retreat central to the coming battle.
S6 E18: It's Only Magic — Both armies prepare for resistance while their leaders face bodily vulnerability.
S6 E19: The Lord Giveth... — The battle costs Harald his life while Alfred continues despite being wounded.
S6 E20: The Last Act — Ivar's death and Hvitserk's baptism give the final campaign different endings for the two brothers.
Northumbria · 3 episodes
Aelle’s kingdom becomes central to the conflict between Ragnar’s family and the English rulers.
S1 E7: A King's Ransom — Ælle's kingdom becomes a negotiating table where religious gestures and ransom terms accompany military threats.
S4 E15: All His Angels — Ælle's execution of Ragnar supplies a visible target for the vengeance his sons will hear about.
S4 E18: Revenge — Ælle's defeat and execution turn the brothers' promise of vengeance into a completed act.
Lindisfarne · 2 episodes
The monastery raid changes the scale of Ragnar’s ambitions and brings Athelstan into his world.
S1 E2: Wrath of the Northmen — The monastery's wealth rewards the voyage while its destruction introduces Athelstan and the human cost of the raiders' success.
S5 E7: Full Moon — Alfred connects the monastery's religious memory to the future he imagines for his people.
Hexham · 1 episodes
An English religious settlement encountered during the early raids.
S1 E4: Trial — The English attack produces the confrontation with Knut that becomes the basis of Ragnar's trial.
Uppsala · 1 episodes
The pilgrimage tests belief, sacrifice and belonging.
S1 E8: Sacrifice — The religious gathering tests Athelstan's belonging and brings Ragnar into contact with a king whose ambitions extend beyond Kattegat.
Hedeby · 6 episodes
Lagertha’s political life beyond Kattegat takes shape here.
S2 E5: Answers in Blood — Lagertha's return to her own political household prevents reunion from becoming a simple restoration of her old life.
S2 E6: Unforgiven — Sigvard's violent removal opens a new question about who can exercise authority there.
S3 E1: Mercenary — Kalf uses Lagertha's absence to challenge the authority she exercises there.
S3 E5: The Usurper — Kalf's takeover forces Lagertha to confront the political cost of campaigning abroad.
S4 E1: A Good Treason — Shared rule with Kalf is enforced through the killing of its opponents.
S4 E5: Promised — The wedding becomes the occasion for Lagertha to claim sole authority rather than formalize partnership.
Paris · 4 episodes
The fortified city turns raiding into a contest of engineering, endurance and loyalty.
S3 E7: Paris — Walls, river defenses and civic resolve require the attackers to solve a siege rather than repeat an open-field victory.
S3 E8: To the Gates! — The failed attack exposes the force of the fortified gates and river defenses, changing the siege's military balance.
S3 E9: Breaking Point — The struggle shifts from storming the defenses to negotiating access through a religious request.
S3 E10: The Dead — The apparent funeral bypasses the defenses and allows the gates to be opened from within.
Francia · 13 episodes
A royal world whose defenses and alliances reshape the Norse campaign.
S3 E10: The Dead — Rollo's offer gives him a possible identity and power base outside his brother's command.
S4 E1: A Good Treason — Rollo's marriage and attack on the camp bind his new status to a break with his former companions.
S4 E2: Kill the Queen — Rollo's proposed river chain converts insider knowledge of Viking ships into a defense against them.
S4 E3: Mercy — Learning the language becomes part of Rollo's effort to turn a formal marriage into a workable place in society.
S4 E4: Yol — Rollo's public use of Gisla's language counters the threat to dissolve their marriage.
S4 E5: Promised — Accusations against Odo make the city's defense dependent on another contest for royal trust.
S4 E6: What Might Have Been — The fleet encounters Rollo as a defender, making the return to Paris a confrontation with a former insider.
S4 E7: The Profit and the Loss — Marshes, crossbows and the raised chain stop the fleet's preferred approach while its camp is also attacked.
S4 E8: Portage — The cliff and overland route offer a way to bypass Rollo's river forts.
S4 E9: Death All 'Round — Returning the ships to water creates another opportunity to fight Rollo after the direct approach failed.
S4 E10: The Last Ship — The river battle gives Rollo public recognition as the defender who stopped Ragnar.
S4 E13: Two Journeys — Rollo's control of passage forces Bjorn's expedition to negotiate with a relative it still resents.
S4 E17: The Great Army — Rollo's land offer provides a settlement alternative as the great revenge expedition forms.
York · 5 episodes
An English city at the center of occupation, faith and competing ambitions.
S5 E1: The Fisher King — The captured city gives the army a defensible base after the failure of Ecbert's land promise.
S5 E2: The Departed — The approaching Saxon response puts Ivar's performance of strength beside an immediate military test.
S5 E3: Homeland — A defended city becomes the place where victory fails to keep the brothers together.
S5 E4: The Plan — The apparently deserted streets invite an occupation whose safety the Saxons have not established.
S5 E5: The Prisoner — The sewers allow the Viking force to turn apparent withdrawal into a surprise attack.
Mercia · 5 episodes
A contested kingdom where succession creates opportunities for intervention.
S3 E1: Mercenary — Kwenthrith's dynastic struggle becomes the battlefield on which the Norse must earn the bargain.
S3 E2: The Wanderer — The unfinished campaign requires another confrontation rather than allowing the expedition's first success to end its obligations.
S3 E3: Warrior's Fate — Victory advances Kwenthrith's claim while leaving Ragnar's companions dead or seriously injured.
S4 E7: The Profit and the Loss — Ecbert's negotiations seek control through political agreement as Ragnar's campaign stalls militarily.
S4 E8: Portage — Ecbert's claim to the kingdom leaves Kwenthrith confronting the loss of the future she thought the alliance would secure.
East Anglia · 1 episodes
Land, settlement and the possibility of a different future become the stakes.
S5 E16: The Buddha — The offered land gives Ubbe a concrete destination for the settlement ambition.
Iceland · 14 episodes
Floki’s imagined new beginning meets the realities of founding a community.
S5 E2: The Departed — Floki reads the unfamiliar landscape as a sacred discovery before any community has had to live there.
S5 E3: Homeland — Floki continues exploring a landscape whose meaning he has not yet tested through settlement.
S5 E7: Full Moon — Arrival turns Floki's promise into practical questions about governing a community.
S5 E8: The Joke — Early disagreements test the premise that the settlers can leave the old patterns behind.
S5 E9: A Simple Story — The temple's destruction makes a communal religious space the focus of escalating violence.
S5 E11: The Revelation — The settlement must decide Floki's fate rather than accepting his authority as its founder.
S5 E14: The Lost Moment — Thorunn's murder forces Floki to impose exclusion on the community he hoped would be different.
S5 E16: The Buddha — Kjetill's involvement gives the feud another apparent opportunity for reconciliation.
S5 E17: The Most Terrible Thing — The killing of Eyvind's family turns a failed reconciliation into the collapse of Floki's communal hope.
S5 E19: What Happens in the Cave — Christian objects inside the cave undermine Floki's interpretation of the land before the eruption traps him.
S6 E2: The Prophet — Kjetill's account shapes how people elsewhere understand the settlement without disclosing its whole history.
S6 E9: Resurrection — Othere's account and Floki's ring complicate Ubbe's search for a western route.
S6 E11: King of Kings — Ubbe continues asking what happened in the settlement rather than accepting an incomplete account.
S6 E12: All Change — Ubbe chooses departure rather than allowing the settlement's failures to end exploration.
Algeciras · 1 episodes
The southern voyage brings Bjorn and Floki into a different religious and cultural world.
S4 E16: Crossings — The raid brings Floki into a mosque, where he protects worshippers instead of treating the building only as a source of plunder.
Sicily · 1 episodes
Bjorn’s Mediterranean journey opens another arena of wealth and power.
S5 E4: The Plan — Bjorn enters Euphemius's service through an encounter framed as trade rather than a conventional raid.
North Africa · 2 episodes
A broad southern setting for Bjorn’s voyage; the marker is regional rather than an exact landing point.
S5 E5: The Prisoner — Hospitality gives way to detention, leaving Bjorn and Halfdan dependent on an opportunity to escape.
S5 E6: The Message — The sandstorm creates the physical opportunity Bjorn, Halfdan and Sinric need to escape captivity.
Norway · 9 episodes
Rival rulers compete over the future of the homeland.
S6 E3: Ghosts, Gods and Running Dogs — Olaf's defenses block the rescue and make the question of rule depend on more than Bjorn's reputation.
S6 E4: All the Prisoners — The proposed election opens a political route beyond the failed military rescue.
S6 E5: The Key — The gathering rulers make kingship a contest for support that Bjorn cannot simply inherit.
S6 E6: Death and the Serpent — The election transfers the crown to Harald and leaves Bjorn vulnerable to the winner's next move.
S6 E7: The Ice Maiden — Olaf's imprisonment makes Harald's new kingship an immediate test of who will submit.
S6 E8: Valhalla Can Wait — The Rus raids turn a distant political threat into a practical defensive problem.
S6 E9: Resurrection — Erik's warning pushes rivals toward a defensive agreement neither could achieve through trust alone.
S6 E10: The Best Laid Plans — The river-and-mountain approach allows Ivar's force to bypass expected resistance and overwhelm the defense.
S6 E11: King of Kings — Bjorn's final ride and arriving support reverse the invading army's confidence and force its retreat.
Kiev · 2 episodes
Ivar enters Oleg’s court, where hospitality conceals dangerous power struggles.
S6 E5: The Key — Dir's escape creates an active challenge to Oleg inside the court where Ivar remains dependent.
S6 E12: All Change — Oleg's treatment of Igor sharpens the urgency of a planned escape.
Rus · 8 episodes
The eastern story expands the struggle over invasion, family and authority. This is a regional marker, not a historical border.
S6 E1: New Beginnings — Oleg's test makes Ivar a vulnerable guest rather than the ruler deciding everyone else's fate.
S6 E2: The Prophet — Askold's death allows Oleg to consolidate control around Igor rather than merely claim it.
S6 E3: Ghosts, Gods and Running Dogs — Dir's brutalization shows Ivar the consequences of Oleg's control inside the ruling family.
S6 E4: All the Prisoners — The imprisoned Dir becomes someone Ivar can approach rather than only an example of Oleg's power.
S6 E9: Resurrection — Hvitserk's arrival places the exiled brother beside Ivar as the invasion takes shape.
S6 E13: The Signal — A religious celebration provides cover for moving Igor while a guard's inspection threatens discovery.
S6 E14: Lost Souls — Reaching Dir's territory gives Igor a refuge outside Oleg's immediate control.
S6 E15: All at Sea — Oleg's defeat changes who controls Igor's future and allows Ivar to depart.
Greenland · 2 episodes
The western voyage reaches a harsh stopping point before the final search for land.
S6 E14: Lost Souls — The beached whale becomes a test of whether a fragile settlement can share its essential food.
S6 E15: All at Sea — Violence over the whale drives Ubbe's group back to sea without a secure destination.
The western land · 3 episodes
Ubbe’s journey reaches an unfamiliar shore. The series does not establish a precise modern location; this marker is illustrative.
S6 E18: It's Only Magic — Signs of inhabitants and exchanged gifts make arrival a question of how to approach people already living there.
S6 E19: The Lord Giveth... — Floki's presence reveals earlier contact and makes listening as important as discovery.
S6 E20: The Last Act — Naad's murder tests whether hospitality can survive the settlers' behavior and makes the hosts' ownership explicit.
Rome · 2 episodes
A destination of Christian pilgrimage and royal education.
S4 E6: What Might Have Been — Ecbert sends Æthelwulf and Alfred away on a journey that invests in the younger generation's standing.
S4 E9: Death All 'Round — Alfred's honors strengthen Ecbert's investment in his grandson's future.
England · 3 episodes
Raiding, settlement and royal alliances unfold across several kingdoms.
S2 E7: Blood Eagle — Ecbert and Ælle's marriage alliance gives the English rulers a shared political foundation against future raids.
S3 E4: Scarred — The alliance's military gains produce new political and personal strains rather than a shared peace.
S4 E19: On the Eve — The woods allow the Vikings to threaten Æthelwulf's army through encirclement rather than a simple frontal encounter.
The sea route to England · 1 episodes
The North Sea connects the home port with the English campaigns. This marker represents the crossing, not a plotted sailing route.
S4 E12: The Vision — The storm destroys the material security of the voyage Ivar insisted on making.
The western sea · 3 episodes
The open Atlantic gives the western voyages their promise and danger. Positions on the map are illustrative.
S6 E13: The Signal — The storm separates Torvi from Asa and leaves the expedition carrying another irreversible loss.
S6 E16: The Final Straw — The drifting survivors must confront responsibility for a voyage whose destination remains uncertain.
S6 E17: The Raft of Medusa — The sighting of land ends the survivors' uncertainty about whether they have a destination within reach.