About This Place
Vienna is a city in and the county seat of Maries County, Missouri, United States. The population was 628 at the 2000 census.
Vienna is located at 38°11′12″N 91°56′53″W / 38.186630°N 91.948126°W / 38.186630; -91.948126.
According to the United States Census Bureau, the city has a total area of 1.1 square miles (2.7 km²), all of it land.