District 15 is a service entity of Alcoholics Anonymous that represents and serves AA members in Washington County and parts of several surrounding counties, including the towns of Afton, Bayport, Center City, Centerville, Cottage Grove, Forest Lake, Hugo, Lake Elmo, Lakeland, Lindstrom, Mahtomedi, Marine On The St. Croix, Oakdale, St. Paul Park, Stacy, Stillwater, Woodbury, and Houlton and Hudson in Wisconsin. District 15 is part of Area 36, another AA service entity, which is roughly the southern half of Minnesota.