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Polis, formerly Baltimore, was the capitol city of the Coalition and where the Commander resided.

In February 2150, Polis, along with Arkadia and the Floukru Rig, was under the occupation of A.L.I.E. and her followers during the uprising against her, with the Commander's throne at the highest level of the main tower being A.L.I.E.'s seat of power and base of operations during the short conflict. However, A.L.I.E. was defeated at the end of the Season Three finale.

As of Season Four, Polis became a war zone. By the end of Season Four, Polis was destroyed by the second Praimfaya.

Over a hundred years after the Damocles Event, Clarke's group returns to a regenerated Earth, where there is almost no sign of the ruins of Polis, the area having been taken over by a forest instead. The only remnants appear to be a few fallen rocks over the bunker entrance and the overgrown base of the Polis tower.

Throughout the Series

In Blood Must Have Blood (Part 1), Lexa tells Clarke Griffin that Polis might change the way Clarke thinks about the Grounders.

In Wanheda (Part 2), Roan delivers Clarke to Polis for the bounty offered on Clarke. Lexa receives Clarke in the throne room at the top of the tower and tells Clarke she needs her help.

In Echoes, Polis is forcefully taken by Azgeda. Echo takes charge of the Ice Nation army occupying Polis and declares the city to be under Azgeda rule. When King Roan regains consciousness, he adopts the Coalition as formed by Lexa, including Skaikru as the 13th clan. Kane, as Skaikru's ambassador becomes a resident of Polis.

In God Complex, Kane, Monty and Jaha go to Polis to meet Gaia. They find the bunker under the temple in Polis controlled by Azgeda. Indra moves her guards to guard the temple.

In Praimfaya, Polis is destroyed by the second Praimfaya, and six years later, Clarke mentions that the city is in ruins.

In Eden, Clarke returns to Polis around two months after Praimfaya to find the city in ruins and the tower collapsed. Clarke desperately tries to dig out the entrance to the bunker, but fails and instead causes even more debris to fall over the entrance.

In The Warriors Will, Polis is abandoned by the survivors of the second nuclear apocalypse due to Octavia burning down the hydrofarm

In From the Ashes, Polis is one of the things drawn by Madi in her sketchbook. Though Gaia questions the origin of her drawings, Madi states that she doesn't know why she did aside from being bored in school. Gaia later shows Clarke the drawings and states that Madi is drawing memories that are not her own. Though Clarke asks if its Sheidheda, Gaia suggests it could be any of the Commanders or all of them.

In Nakara, after finding a cloth with the symbol for the Second Dawn doomsday cult, Niylah questions how there could be people from the bunker in Polis on Nakara.

In Anaconda, in a flashback, Baltimore (which later will be known as Polis) is destroyed by at least one nuclear missile during the Nuclear Apocalypse, forcing the Second Dawn to quickly close the bunker door.

Two years later, Second Dawn ground teams scour the ruins of the city when Becca Franco arrives from Polaris. Becca is later burned to death by the cult outside of the bunker, presumably somewhere within the ruined city, but Callie Cadogan spreads Becca's Nightblood amongst some of the cultists, allowing them to leave the bunker to save the human race on Earth. Protected by their Nightblood, Callie's group is able to walk out of the bunker and into the city ruins without wearing hazmat protection.

In A Sort of Homecoming, Clarke and her friends return to Earth which has regenerated from the Second Nuclear Apocalypse. However, when they emerge from the bunker, there is almost no sign of Polis with area having been taken over by a forest instead with a hole in the ground leading into the bunker covered with rocks and the overgrown base of the tower nearby.


The settlement looks to be located on the top of some rolling hills, lush with vegetation. The tallest building is the high tower where the Commander resides. It is unknown where the capitol is located exactly, but based on travelling distance from and to Arkadia and the map Clarke uses in season 5 episode 1, it is located near what was Baltimore. And also, Raven's computer map shows that Polis was located in Baltimore.

Significant Sites


The tower is the home of the Commander.


The temple is used by the Flamekeepers. Becca's escape pod is stored within the temple.

Becca's Crypt

Becca's Crypt is a bunker located underneath the temple. The bunker was originally used by the Second Dawn cult.


Season Two
Episode Appearance Status
The 48Absent
Inclement WeatherAbsent
Many Happy ReturnsAbsent
Human TrialsAbsent
Fog of WarAbsent
Long Into an AbyssAbsent
Remember MeAbsent
Survival of the FittestAbsent
Coup de GrâceAbsent
Bodyguard of LiesAbsent
Blood Must Have Blood (Part 1)Mentioned
Blood Must Have Blood (Part 2)Absent
Season Three
Episode Appearance Status
Wanheda (Part 1)Absent
Wanheda (Part 2)Appears
Ye Who Enter HereAppears
Watch the ThronesAppears
Bitter HarvestAppears
Terms and ConditionsMentioned
Stealing FireAppears
Join or DieAppears
Red Sky at MorningAppears
Perverse Instantiation (Part 1)Appears
Perverse Instantiation (Part 2)Appears
Season Four
Episode Appearance Status
Heavy Lies the CrownAppears
The Four HorsemenAppears
A Lie GuardedAppears
The Tinder BoxMentioned
We Will RiseAbsent
Gimme ShelterAbsent
God ComplexAppears
Die All, Die MerrilyAppears
The Other SideAppears
The ChosenAppears
Season Five
Episode Appearance Status
Red QueenFlashback
Sleeping GiantsAppears
Pandora's BoxAppears
Shifting SandsAppears
Exit WoundsAppears
Acceptable LossesAppears
How We Get to PeaceAppears
Sic Semper TyrannisAbsent
The Warriors WillAppears
The Dark YearAbsent
Damocles (Part 1)Absent
Damocles (Part 2)Mentioned
Season Six
Episode Appearance Status
Red Sun RisingAbsent
The Children of GabrielAbsent
The Face Behind the GlassMentioned
The Gospel of JosephineAbsent
Memento MoriMentioned
The Old Man and the AnomalyAbsent
What You Take With YouAbsent
Ashes to AshesAbsent
Adjustment ProtocolAbsent
The Blood of SanctumAbsent
Season Seven
Episode Appearance Status
From the AshesMentioned
The GardenAbsent
False GodsAbsent
Welcome to BardoFlashback
The Queen's GambitAbsent
The FlockAbsent
A Little SacrificeMentioned
The StrangerAbsent
Blood GiantAbsent
A Sort of HomecomingAppears
The Dying of the LightAbsent
The Last WarAppears


Notes and Trivia

  • The name is not the shortened name of an American location, unlike Tondc.
    • It is the shortened name of the thirteenth space station, Polaris.[1]
  • Polis has been added to the opening credits of Season Three.
    • In Season Five's opening credits, the city is shown in ruins with the tower still standing and then vanishing, signifying its destruction.
  • As seen in "Anaconda", the location of Polis takes a direct missile strike during the Nuclear Apocalypse that engulfs the entire city.
    • This contradicts a previous post made by writer Aaron Ginsburg, that said that Polis was out of the range of any direct missile blasts.[2]
  • The tower of Polis, a relic from before the apocalypse, is the tallest structure shown on the show as of Season Three.[2]
  • On a population list seen in "Heavy Lies the Crown", Polis is listed having 4,000 people including 400 children.
  • As seen on the screen at the end "The Chosen," there is precisely an hour and a half between the death wave hitting Polis and the death wave hitting Becca's Island.
  • In "Praimfaya," Raven states that Polis and Becca's Island are 210 miles apart which Abby states in "The Chosen" is a 10 hour trip one way on a good day.
  • As of "Praimfaya", Polis is in ruins and the tower has collapsed.[3]
    • The Second Dawn Bunker is covered by rubble, locking the occupants inside. However, they manage to come out of the bunker with the assistance of the Eligius Prisoners.
  • It is unknown what the skyscraper was before the First Nuclear Apocalypse.

See Also


  1. Rothenberg, Jason (25 Feb 2016) Tweet “POLARIS.......POL--IS... Told you it wasn't Anapolis” - @JRothenbergTV
  2. 2.0 2.1 SOME details about Polis, by Aaron Ginsburg, tumbler
  3. The 100 | Comic-Con® 2017 Season 4 Recap | The CW, The CW, YouTube