Ceredigion (Welsh: Sir Ceredigion) is a principal area of Wales, corresponding to the historic county of Cardiganshire. The largest town in Ceredigion is Aberystwyth.
It has been administered as a county since 1282.
Welsh is spoken by more than half of the area's population.
It is considered to be a centre of Welsh culture.
The county is mainly rural with over 50 miles (80 km) of coastline and mountainous terrain.