Castro Caldelas is a municipality in Ourense, in the Galicia region of northwestern Spain. It is located to the very north of the province.
Its area is 87,6 km². Castro Caldelas is divided into 16 areas and 86 entities of population,with a population of 1,769 (INE 2005).
Its residents are called caldelaos.
Coordinates: 42°23′N 7°26′W / 42.383°N 7.433°W