Peso da Régua (Portuguese pronunciation: [ˈpezu ðɐ ˈʁɛɣwɐ]), commonly known as Régua, is a municipality in northern Portugal, in the district of Vila Real. The population in 2011 was 17,131 (of which approximately 10,000 are in the town of Régua), in an area of 94.86 km2 (36.63 sq mi) km².