The Serranía del Perijá covers, partially or totally the area of 17 municipalities in the Department of Cesar; Aguachica, Codazzi, Becerril, Chimichagua, Chiriguana, Curumani, Gonzalez, La Gloria, La Jagua de Ibirico, Los Robles La Paz, Manaure, Pailitas, Pelaya, Rio de Oro, San Alberto, San Diego and San Martin.