The Comunidad de Calatayud is one of the comarcas of Aragon, Spain. It is one of twelve comarcas within the province of Zaragoza in Aragón. The administrative headquarters are in the city of Calatayud

Calmarza is a municipality located in the province of Zaragoza, Aragon, Spain. According to the 2010 census the municipality has a population of 77 inhabitants.