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.
University Park, Texas University Park is an affluent city in Dallas County, Texas, United States, an inner northern suburb of Dallas. The population was 23,068 at the 2010 census. The city is home to Southern Methodist University.