Calatañazor is a municipality located in the province of Soria, Castile and León, Spain. According to the 2010 census, the municipality has a po…Calatañazor is a municipality located in the province of Soria, Castile and León, Spain. According to the 2010 census, the municipality has a population of 70 inhabitants. The municipality is named after the tiny fortified city on top of a hill.