Cardigan is a town and community in the county of Ceredigion, Wales. Positioned on the tidal reach of the River Teifi at the point where Ceredigion meets Pembrokeshire, Cardigan was the county town of the historic county of Cardiganshire. Cardigan is the second-largest town in Ceredigion. The largest town, Aberystwyth, is one of the two administrative centres; the other is Aberaeron.

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.