Deganwy is a town and electoral ward in Conwy County Borough in Wales with a population of 3,936 (2011). It lies in the Creuddyn Peninsula alongside Llandudno and Rhos-on-Sea. Historically part of Caernarfonshire, the peninsula is in a region of north Wales where as many as 1 in 3 of residents are able to speak Welsh, and is home to some of the most expensive streets in Wales. Deganwy is located to the east of the town of Conwy and with it forms the Conwy community. The original wooden castle was rebuilt in stone after 1210. Deganwy is in the ecclesiastical parish of Llanrhos, and has a Victorian era Gothic parish church dedicated to All Saints.

Llandudno is a seaside resort, town and community in Conwy County Borough, Wales, located on the Creuddyn peninsula, which protrudes into the Irish Sea. In the 2021 UK census, the community – which includes Gogarth, Penrhyn Bay, Craigside, Glanwydden, Penrhynside, and Bryn Pydew – had a population of 19,700. The town's name means "Church of Saint Tudno".