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The Fort is a defensive tile improvement in Civilization VI. It requires Siege Tactics and can be built on any featureless land tile, or Volcanic Soil.

The Roman Fort is functionally identical to the standard Fort, but is built by the Roman Legion. It does not count as a unique improvement or grant +4 Era Score when built, nor can it trigger the Eureka Eureka for Ballistics.

  • Effects:
    • Occupying unit receives +4 Strength Defense Strength and automatically gains 2 turns of fortification (+6 Strength Defense Strength)

In the Zombie Defense game mode, the Fort and Roman Fort deal minor (10 HP) damage to hostile units passing through them.


Attacking and expanding may be what wins games (especially for players who are trying for a Domination Victory), but defending well can deter aggressive players and make them think twice about launching an attack on you. This is when Forts come in handy. Have some Military Engineers build them at choke points in your territory or in other strategic locations along your borders, then station some units there to fight off any invaders. Place Forts on hills for best results.

A Fort grants the unit on it a total of +10 Strength Defense Strength, regardless of who builds it and whose unit is on it. A poorly placed Fort (e.g. one in the middle of open flat land) can easily be swarmed by enemies and used in their favor.

Poland can build Forts to annex the surrounding tiles, thus giving them a way to claim new territory and steal resources from opponents who settle nearby while also converting their cities to Jadwiga's religion. The Poles should always keep a few Military Engineers around to use for this purpose.

While it functions identically to a standard Fort, the Roman Fort is built by a Legion rather than a Military Engineer. This means that the Romans have access to Forts as soon as they research Iron Working rather than Siege Tactics, effectively allowing them to start consolidating their defenses two eras earlier than other civilizations. By having their Legions build these in strategic locations around their territory, the Romans can make their lands virtually unassailable in the early stages of the game.

Civilopedia entry[]

Since the first ego-maniacal chieftain threw up a wall of dirt and proclaimed everything behind it his, soldiers have been building fortifications. Whether to pacify new territory, protect the borders, or insure that the ruled didn’t get uppity, the military-minded have dug ditches and moats, planted stakes and spikes, and put up walls of all sorts. Some made such military engineering an art form, such as the Roman legions, which could march through the day and have a fortified camp in place by nightfall. In time, the appearance of gunpowder led to innovations in fortifications; those wooden and stone walls were simply no longer adequate. So, rather than build up, fortifications went down – trenches and bunkers, pillboxes and minefields, barbed wire and “defense in depth.” But the intent remains the same, to protect the troops and keep the civilization safe from both without and within.


Civilization VI Improvements [edit]
Standard AirstripCampFarmFishing BoatsFortGeothermal Plant GS-Only.pngLumber MillMineMissile SiloMountain Tunnel GS-Only.pngNational ParkOffshore Oil RigOffshore Wind Farm GS-Only.pngOil WellPasturePlantationQuarryRailroad GS-Only.pngSeaside ResortSeastead GS-Only.pngSki Resort GS-Only.pngSolar Farm GS-Only.pngWind Farm GS-Only.png
Unique ChâteauChemamull R&F-Only.pngFeitoria1Golf Course R&F-Only.pngGreat WallHacienda1Ice Hockey Rink GS-Only.pngKampung1KurganMekewap R&F-Only.pngMissionNubian Pyramid1Open-Air Museum GS-Only.pngOutback Station1 GS-Only.pngPairidaeza1Polder R&F-Only.pngQhapaq Ñan GS-Only.pngRock-Hewn Church1Roman FortSphinxStepwellTerrace Farm GS-Only.pngZiggurat
City-state Alcázar1Batey1Cahokia Mounds GS-Only.pngColossal HeadsMahavihara1Moai GS-Only.pngMonastery1Nazca Line GS-Only.pngTrading Dome1
Governor R&F-Only.png City Park R&F-Only.pngFishery R&F-Only.png
Modes only Barricade4Corporation3Industry3Modernized Trap4Reinforced Barricade4Trap4Vampire Castle2
1 Requires a DLC2 Secret Societies mode only • 3 Monopolies and Corporations mode only • 4 Zombie Defense mode only

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