As to territory, the 1991 Political Constitution puts an end to political centralism -a characteristic of the 1986 Constitution-, and it strengthens administrative decentralization, initiated in 1986 with the popular election of mayors.This article analyzes the work undertaken by the Constitutional Court over that which refers to territorial ordinance as well as to the administrative decentralization, where local communities will become forgers of their own destinies, with the indispensable help from the central establishment.