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.
Keweenaw County, Michigan Keweenaw County is a county in the Upper Peninsula of the U.S. state of Michigan, the state's northernmost county. As of the 2010 census, the population was 2,156, making it Michigan's least populous county. It is also the state's largest county by total area (including waters of Lake Superior). The county seat is Eagle River.