CILIAU-APRON, a parish, in the lower division of the hundred of ILAR, county of CARDIGAN, SOUTH WALES, 14 miles (N. W.) from Lampeter, containing 344 inhabitants. This parish is situated on the river Aeron, by which it is bounded on the north-east, and from which it derives the adjunct to its name. The living is a discharged rectory, in the archdeaconry of Cardigan, and diocese of St. David's, rated in the king's books at £5, endowed with £400 royal bounty, and in the patronage of the Bishop of St. David's. The church, dedicated to St. Michael, is a small edifice, consisting of a nave and chancel. There is a place of worship for Presbyterians. A Sunday school, which is gratuitously superintended, affords the means of instruction to the poor children of the parish. The average annual expenditure for the support of the poor is £62. 19.