Which is city is the county seat of a county with a standard abbreviation of SU?
Wellington, Kansas Wellington is a city in and the county seat of Sumner County, Kansas, United States. As of the 2010 census, the city population was 8,172.
Sibley County, Minnesota Sibley County is a county in the U.S. state of Minnesota. As of the 2010 census, the population was 15,226. Its county seat is Gaylord. Sibley County is part of the Minneapolis-St. Paul-Bloomington, MN-WI Metropolitan Statistical Area.