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The Ancient Walls are a basic defensive building in Civilization VI. They are built in the City Center and require Masonry.

  • Effects:
    • Provides Outer Defense for the city and the Encampment (if available) that must be defeated before the city itself is assaulted.
    • +100 Outer Defense.
    • +3 Strength Combat Strength
    • Becomes obsolete after Steel, which automatically builds defenses in every city.
    • +1 Housing Housing (with Monarchy)
    • +1 Tourism Tourism (with Conservation)


Ancient Walls are the first defense available in the game, good against the first regular weapons carried by the likes of the Warrior and the Spearman. However, siege equipment quickly makes them obsolete.

The new rules of city combat make Walls much more important than in Civilization V. Try to build them as soon as possible to greatly fortify your city against potential destruction, especially if you're facing an early war or invasion threat. As Outer Defense strength ensures the ranged strike ability and greatly reduces damage from non-siege weapons, it is vital to ensure that all of your cities have built some Walls. As you progress further into the game, Ancient Walls are required to build Medieval Walls and beyond.

Ancient Walls cannot be purchased with Gold Gold, only built with Production Production. While the Suzerain of Valletta, they can be purchased with 160 Faith Faith.

As of the Summer 2017 Update, Ancient Walls provide Tourism Tourism once Conservation is unlocked, and have no maintenance cost.

As of the Gathering Storm expansion, city-states will begin the game with Ancient Walls while playing on Immortal or Deity difficulty.

Civilopedia entry[]

Until things like gunpowder, bomber aircraft, and nuclear missiles made them rather pointless, city walls were pretty important if a city wanted to stay inviolate. If a town wanted to keep its citizens relatively safe and its stuff relatively secure from the barbarians at the gates, it needed a relatively strong wall surrounding it. The Sumerian city of Uruk is the oldest known settlement completely enclosed by a wall, in this case supposedly built by the god-king Gilgamesh. Some of the early settlements in the Indus Valley – such as Kot Diji – had massive stone-and-brick walls for protection. On the other hand, if the city was inhabited by awesome warriors, it could generally get by without walls – Sparta and Rome survived for several centuries before walls were built. Today, what portions of city walls remain are either ignored or consider part of the “local color.”

Civilization VI Buildings [edit]
AirportAmphitheater (Marae GS-Only.png) • Ancestral Hall R&F-Only.pngAncient WallsAquarium R&F-Only.pngAquatics Center R&F-Only.pngArchaeological MuseumArena (Tlachtli) • ArmoryArt MuseumAudience Chamber R&F-Only.pngBank (Gilded Vault3Grand Bazaar GS-Only.png) • Barracks (Basilikoi Paides1) • Broadcast Center (Film Studio) • CathedralChancery1Coal Power Plant GS-Only.pngConsulate1Dar-e MehrFactory (Electronics Factory) • Ferris Wheel R&F-Only.pngFlood Barrier GS-Only.pngFood Market R&F-Only.pngForeign Ministry R&F-Only.pngFortress2GranaryGrand Master's Chapel R&F-Only.pngGrove1Guildhall2GurdwaraHangarHeadquarters2Hydroelectric Dam GS-Only.pngIntelligence Agency R&F-Only.pngKeep2LibraryLighthouseMarket (Sukiennice1) • Mass Grave2Medieval WallsMeeting HouseMilitary AcademyMonument (Old God Obelisk3) • MosqueNational History Museum R&F-Only.pngNilometer2Nuclear Power Plant GS-Only.pngObelisk2Oil Power Plant GS-Only.pngPagodaPalacePlague Hospital2Power PlantQueen's Bibliotheque GS-Only.pngRenaissance Walls (Tsikhe R&F-Only.png) • Research LabRoyal Society R&F-Only.pngSanctuary1SeaportSewerShipyardShopping Mall R&F-Only.pngShrineStable (Ordu R&F-Only.png) • StadiumStock ExchangeStupaSynagogueTemple (Prasat1Stave Church) • University (Alchemical Society3MadrasaNavigation School1) • War Department R&F-Only.pngWarlord's Throne R&F-Only.pngWater Mill (Palgum1) • WatWorkshopZoo (Thermal Bath GS-Only.png)
1 Requires a DLC2 Specific scenarios only • 3 Secret Societies mode only

R&F-Only.png Added in the Rise and Fall expansion pack.
GS-Only.png Added in the Gathering Storm expansion pack.