The Costeño Democratic Alliance (Spanish: Alianza Democrática Costeña - ADECO) is a regional Nicaraguan political party founded in 1993 by the Social Christian dissident Alvin Guthrie, former UNO governor of the South Atlantic Autonomous Region from 1990 to 1994.[1] ADECO contested in the 1994 Atlantic Coast Regional Elections and won 1 seat (out of 45) in the RAAS Regional Council.