San Fernando is a municipality in the north of the state of Chiapas, Mexico. It is 15 km away. From Tuxtla Gutiérrez. Formerly, the Zoques named it Tzonoapan, which means "Cabeza del Agua", and they named it by a beautiful spring that comes down from Cerro Pamaló, to the east of the town. It has a territorial extension of 258.30 km².