Introduction
Town in Denbighshire, Wales Human settlement in WalesLlangollenLlangollen Riverside WalkLlangollenLocation within DenbighshirePopulation3,603 (Community, 2021)OS grid referenceSJ215415CommunityLlangollenPrincipal areaDenbighshirePreserved countyClwydCountryWalesSovereign stateUnited KingdomPost townLLANGOLLENPostcode districtLL20Dialling code01978PoliceNorth WalesFireNorth WalesAmbulanceWelsh UK ParliamentClwyd EastSenedd Cymru – Welsh ParliamentClwydWebsitellangollentowncouncil.gov.uk List of places UK Wales Denbighshire 52°58′12″N 3°10′12″W / 52.970°N 3.170°W / 52.970; -3.170 Map of the community Llangollen (Welsh: [ɬaŋˈɡɔɬɛn] ⓘ) is a town and community, situated on the River Dee, in Denbighshire, Wales. Its riverside location forms the edge of the Berwyn range, and the Dee Valley section of the Clwydian Range and Dee Valley Area of Outstanding Natural Beauty, with the easternmost point of the Dee Valley Way being within the town. At the 2021 census the community had a population of 3,603.