Municipality in Castile and León, Spain
Monasterio de la Sierra is a municipality and town located in the province of Burgos, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 43 inhabitants.
References
42°03′N 3°12′W / 42.050°N 3.200°W / 42.050; -3.200