Units (Age of Empires II)

Town Center
The most important building in your city. Serves as a drop off point for all resources, trains Villagers, researches some technologies, and fires on enemies when vilagers are garrisoned inside. In the expansion, the Teutons can research Crenellations, allowing their infantry to fire out of the town center as if they were villagers.

Barracks
One of the main military buildings. Units trained there can be garrisoned inside when the gather point is set on the building. No other units can be garrisoned inside and the units that can may only enter once. The barracks trains foot infantry, researches some infantry improvements, and garrisons infantry. Trains:
 * Militia . Man-at-Arms . Long Swordsman . Two-Handed Swordsman . Champion
 * Spearman . Pikeman . Halberdier(in the expansion)

Archery Range

 * Archer . Crossbowman . Arbalest
 * Skirmisher . Elite Skirmisher
 * Cavalry Archer . Heavy Cav Archer
 * Hand Cannoneer

Stable

 * Scout Cavalry . Light Cavalry . Hussar (expansion)
 * Knight . Cavalier . Paladin
 * Camel . Heavy Camel

Siege Workshop

 * Battering Ram . Capped Ram . Siege Ram
 * Mangonel . Onager . Siege Onager
 * Scorpion . Heavy Scorpion
 * Bombard Cannon

Castle
Unique Units
 * Trebuchet
 * Petard
 * Longbowman (Britons)
 * Cataphract (Byzantine)
 * Woad Raider (Celts)
 * Cho Ko Nu (Chinese)
 * Throwing Axeman (Franks)
 * Huskarl (Goths)
 * Samurai (Japanese)
 * Mangudai (Mongols)
 * War Elephant (Persians)
 * Mameluke (Saracens)
 * Teutonic Knight (Teutons)
 * Janissary (Turks)
 * Beserk (Vikings)
 * War Wagon (Koreans)

Dock

 * Fishing Ship
 * Trade Cog
 * Transport Ship
 * Galley . War Galley . Galleon
 * Fire Ship . Fast Fire Ship
 * Demolition Ship . Heavy Demolition Ship
 * Cannon Galleon . Elite Cannon Galleon
 * Longboat (Viking unique unit)
 * Turtle Ship (Korean unique unit)