[2] There is no accurate data on when the town was founded, though it existed before the conquest and in antiquity belonged to the chieftainship of Hocabail-Homún.

At colonization, Seyé became part of the encomienda system with Alonso de Rojas recorded as the encomendero in 1579.

It is responsible for budgeting and expenditures and producing all required reports for all branches of the municipal administration.

They are tasked with enforcing regulations, distributing materials and administering rulings of general compliance issued by the council.

The major population areas are shown below:[2] Every year from 23 to 27 of August the feast of Saint Bartholomew is celebrated.