"Congress Building" redirects here. For the skyscraper in the US state of Florida, see The Congress Building.
A legislative building is referred to as a building in which a legislature sits and makes laws for its respective political entity. The term used for the building varies between the political entities, such as "building", "capitol", "hall", "house", or "palace", in the national language of that particular political entity.
Riigikogu; the oldest parts of Toompea Castle were built in the early 13th century and the newest parts in 1935. The Riigikogu hall building itself was added in 1922.