The Roy­al Fort of São Fil­ipe is a 16th-cen­­tu­ry fortress in the city of Cidade Vel­ha, in the south of the island of San­ti­a­go. It is locat­ed on a hill above the city cen­ter, at an alti­tude of 120 meters above sea lev­el. The his­toric cen­ter of Cidade Vel­ha has been a UNESCO World Her­itage Site since June 2009.