Crymych is a village of around 800 inhabitants and a community in the northeast of Pembrokeshire, Wales. It is situated approximately 800 feet (240 m) above sea level at the eastern end of the Preseli Mountains, on the old Tenby to Cardigan turnpike road, now the A478.

The Preseli Mountains, also known as the Preseli Hills, or just the Preselis, is a range of hills in western Wales, mostly within the Pembrokeshire Coast National Park and entirely within the county of Pembrokeshire.