San Juan Tecuaco is a municipality in the Santa Rosa department of Guatemala. located at South East of Guatemala and can be reached by road international from Guatemala City head south to Escuintla, and then head East to Chiquimulilla keep going till about 10 klmt. to the left head north to Nancinta, and then head North to San Juan Tecuaco for about 22 kilometers, but no air field to land. Wikipedia