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.
Saline County, Kansas Saline County (standard abbreviation: SA) is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 55,606. The largest city and county seat is Salina.