Arthog is a village, post town and community in the Meirionnydd area in Gwynedd, north Wales including the villages of Fairbourne and Friog. It is located on the A493, approximately 8 miles (13 km) west of Dolgellau, and had a population of 1,010 in 2001, increasing slightly to 1,031 at the 2011 census.

Fairbourne is a seaside village in Gwynedd, Wales. Located on the coast of Barmouth Bay in Arthog community, to the south of the estuary of the River Mawddach, it is surrounded by Snowdonia National Park. It is in an area that had been listed by Gwynedd Council for managed retreat due to rising sea levels.