Gendema lies in Pujehun District, Southern Province, Sierra Leone. Gendema sits on international border with Liberia. Gendema serves as chieftaincy seat of Soro Gbema Chiefdom. Gendema functions as trading center between Sierra Leoneans and Liberians. Principal inhabitants are Mende, Vai, and Kissi people. Coordinates are 7°21′2″N 11°43′5″W. Time zone is UTC-5 (GMT). Gendema is in far southern Sierra Leone.