This old Episcopal monastery is built on a Roman villa, and its remains date from between the 6th and 9th centuries. According to tradition, this is the burial site of Diego Porcelos, founder of Burgos. The ruins of the former Monastery of San Félix de Oca still remain.
Monastery of San Félix de Oca
Villafranca Montes de Oca, Burgos
(Castilla y Leon)