Castles and Town Walls of King Edward in Gwynedd
The Castles and Town Walls of King Edward in Gwynedd is a UNESCO-designated World Heritage Site located in North West Wales (specifically Gwynedd until 1996). It includes the castles of Beaumaris and Harlech and the castles and town walls of Caernarfon and Conwy.
Source: Wikipedia — Castles and Town Walls of King Edward in Gwynedd (CC BY-SA 4.0)