Sedgwick County resides in Dirstrict 2. District 2 is divided into North and South. See the list of clubs at this link:
http://www.usawks.com/Kids/Subdistricts.htm

Subdistrict tournament flyers are here:
http://www.usawks.com/invites/050312_Dist2N.pdf

http://www.usawks.com/invites/050312_Dist2S.pdf