Chaska is a city and the county seat of Carver County, Minnesota, United States. The population was 27,810 at the 2020 census. An outer ring suburb of the Twin Cities, Chaska is home to the Hazeltine National Golf Club and is known for its historic downtown area located on a bend of the Minnesota River. The City of Chaska merged with Chaska Township in 2006. The city still has some remaining agricultural land.