Corwen is a town, community and electoral ward in the county of Denbighshire in Wales; it was in the past part of the county of Merioneth. Corwen stands upon the banks of the River Dee beneath the Berwyn mountains. The town is situated 10 miles (16 km) west of Llangollen and 13 miles (21 km) south of Ruthin. At the 2001 Census, Corwen had a population of 2,398, reducing to 2,325 at the 2011 census. The community includes the villages of Carrog and Glyndyfrdwy. The built-up area according to Nomis was 477 but does not add together the house of Clawdd Poncen. Including Clawdd Poncen the sum is 777.