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.
Santa Barbara County, California Santa Barbara County, California, officially the County of Santa Barbara, is a county located in the southern portion of the state of California, in the United States. As of the 2010 census, the population was 423,895. The county seat is Santa Barbara, and the largest city is Santa Maria.