Which is city is the county seat of a county with a standard abbreviation of SU?
Sumner County, Kansas Sumner County (standard abbreviation: SU) is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 24,132. Its county seat is Wellington.
Meridian, Mississippi Meridian is the sixth largest city in the state of Mississippi, United States. It is the county seat of Lauderdale County and the principal city of the Meridian, Mississippi Micropolitan Statistical Area. Along major highways, the city is 93 mi east of Jackson, Mississippi; 154 mi southwest of Birmingham, Alabama; 202 mi northeast of New Orleans, Louisiana; and 231 mi southeast of Memphis, Tennessee.