Llangollen is a town and community situated on the River Dee in Denbighshire, Wales. As of the 2021 census, the community had a population of 3,603 residents.
The town is characterized by its riverside location at the edge of the Berwyn range. It sits within the Dee Valley section of the Clwydian Range and Dee Valley Area of Outstanding Natural Beauty. Additionally, the easternmost point of the Dee Valley Way is located within the town boundaries.