Arguis is a municipality located in the province of Huesca, Aragon, Spain. According to the 2004 census, the municipality had a population of 6…Arguis is a municipality located in the province of Huesca, Aragon, Spain. According to the 2004 census, the municipality had a population of 61 inhabitants. The Master of Arguis derives his name from a painting which once hung in the town church.