The Consulate allows you to host and send reinforcements. It also grants bonus health and strength to reinforcements you send to allies.

Each player's consulate gives a bonus only to that player's units. It does not give a bonus to the armies of other players who sent you reinforcements.

You can build the Consulate once your Capitol has reached level 4.

Please select any large tile in your City.

Scroll down to find the Consulate and confirm construction.
Allied reinforcements hosted in your City do not increase your army upkeep cost.