Trimsaran is a community and former mining village which lies on the B4308 between Llanelli and Kidwelly, in the Welsh county of Carmarthenshire.Trimsaran is six miles (10 km) from Llanelli, and 13 miles (21 km) from Carmarthen. It is close to Burry Port harbour, Pembrey Country Park and the Millennium Coastal Park.The community is bordered by the communities of: Llangyndeyrn; Llanelli Rural; Pembrey and Burry Port Town; and Kidwelly, all being in Carmarthenshire.