The Valles Centrales (English: Central Valleys) is a region in the heart of the state of Oaxaca, Mexico. It includes the districts of Etla, Centro, Zaachila, Zimatlán, Ocotlán, Tlacolula and Ejutla
Often called simply "Los Valles" by the people of Oaxaca, it is a geographical and cultural region consisting of three river valleys between the Nudo Mixteco, the Sierra Juárez and the Sierra Madre del Sur. The valleys form a kind of Y. The northwest arm is the Etla Valley, on the east is the Tlacolula Valley and to the south the Ocotlán Zimatlán or Grande Valley. The largest community in the region, and the largest in the state, is the city of Oaxaca.