The Maine State House in Augusta, Maine, is the state capitol of the State of Maine. The building was completed in 1832, one year after Augusta became the capital of Maine. Built using Maine granite, the State House was based on the design of the Massachusetts State House.

Augusta is the capital of the U.S. state of Maine and the county seat of and most populous city in Kennebec County. Augusta is included in the Lewiston-Auburn, Maine metropolitan New England city and town area. The city's population was 18,899 at the 2020 census, making it the 12th most populous city in Maine, and 3rd least populous state capital in the United States after Montpelier, Vermont, and Pierre, South Dakota.