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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]
City Center Buildings PalaceGranaryMonument (Old God Obelisk3) • Water Mill (Palgum1) • Ancient WallsMedieval WallsRenaissance Walls (Tsikhe R&F-Only.png) • SewerFlood Barrier GS-Only.pngFortress2Headquarters2Nilometer2Obelisk2
Campus Buildings LibraryUniversity (Alchemical Society3MadrasaNavigation School1) • Research Lab
Theater Square Buildings Amphitheater (Marae GS-Only.png) • Archaeological MuseumArt MuseumBroadcast Center (Film Studio)
Holy Site Buildings ShrineTemple (Prasat1Stave Church) • CathedralDar-e MehrGurdwaraMeeting HouseMosquePagodaStupaSynagogueWat
Encampment Buildings Barracks (Basilikoi Paides1) • Stable (Ordu R&F-Only.png) • ArmoryMilitary Academy
Commercial Hub Buildings Market (Sukiennice1) • Bank (Gilded Vault3Grand Bazaar GS-Only.png) • Stock ExchangeGuildhall2
Harbor Buildings LighthouseShipyardSeaport
Industrial Zone Buildings WorkshopFactory (Electronics Factory) • Power PlantCoal Power Plant GS-Only.pngOil Power Plant GS-Only.pngNuclear Power Plant GS-Only.png
Preserve1 Buildings Grove1Sanctuary1
Entertainment Complex Buildings Arena (Tlachtli) • Zoo (Thermal Bath GS-Only.png) • Stadium
Water Park R&F-Only.png Buildings Ferris Wheel R&F-Only.pngAquarium R&F-Only.pngAquatics Center R&F-Only.png
Neighborhood Buildings Food Market R&F-Only.pngShopping Mall R&F-Only.png
Dam GS-Only.png Building Hydroelectric Dam GS-Only.png
Aerodrome Buildings HangarAirport
Government Plaza R&F-Only.png Buildings Ancestral Hall R&F-Only.pngAudience Chamber R&F-Only.pngWarlord's Throne R&F-Only.pngForeign Ministry R&F-Only.pngGrand Master's Chapel R&F-Only.pngIntelligence Agency R&F-Only.pngQueen's Bibliotheque GS-Only.pngNational History Museum R&F-Only.pngRoyal Society R&F-Only.pngWar Department R&F-Only.png
Diplomatic Quarter1 Buildings Consulate1Chancery1
Walled Quarter2 Buildings Keep2Mass Grave2Plague Hospital2
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.