List of Sites of Special Scientific Interest in Carmarthenshire

This is a list of Sites of Special Scientific Interest (SSSIs) in the Carmarthenshire Area of Search (AoS).

[1] This Area of Search was formed from the entirety of the previous AoS of Carmarthen & Dinefwr, as well as having a few sites from the previous AoSs of West Glamorgan, Preseli & South Pembrokeshire and Brecknock.