Sesa is a municipality located in the Hoya de Huesca comarca, province of Huesca, Aragon, Spain. According to the 2010 census the municipalit…Sesa is a municipality located in the Hoya de Huesca comarca, province of Huesca, Aragon, Spain. According to the 2010 census the municipality has a population of 225 inhabitants. Its postal code is 22110.