Pérez Zeledón is the nineteenth canton of the province of San José in Costa Rica, located in the Brunca region. The capital city of the canton is San Isidro de El General. The Río Savegre establishes the canton's boundaries on the northwest, the Río Guabo and a series of coastal mountain ranges on the southwest and south, and the peaks of the highest mountains of the Cordillera de Talamanca on the east.