Tregaron is an ancient market town in Ceredigion, Wales. It is sited astride the River Brenig, a tributary of the River Teifi, and is 11 miles (18 km) north-east of Lampeter. According to the 2011 Census, the population of the ward of Tregaron was 1,213 and 67% of the population could speak Welsh; Tregaron is a community covering 33 square miles (85 km2); two-thirds of the population were born in Wales.

Ceredigion ( ), historically Cardiganshire, is a county in the west of Wales. It borders Gwynedd across the Dyfi estuary to the north, Powys to the east, Carmarthenshire and Pembrokeshire to the south, and the Irish Sea to the west. Aberystwyth is the largest settlement and, together with Aberaeron, is an administrative centre of Ceredigion County Council.