Molina de Aragón is a municipality located in the province of Guadalajara, Castile-La Mancha, Spain. According to the 2009 census, the munici…Molina de Aragón is a municipality located in the province of Guadalajara, Castile-La Mancha, Spain. According to the 2009 census, the municipality had a population of 3,671 inhabitants. It held the record for the lowest temperature measured by a meteorological station in Spain, and now it's on the third place.