ABERAVON, a borough-town of Glamorganshire in Wales, governed by a portreeve. It had a market, which is now discontinued: the vicarage is discharged, and is worth 45 l. clear yearly value. It is seated at the mouth of the river Avon, 19 miles south-west of Cowbridge, 75 east of St David's, and 194 west of London. W. Long. 3. 21. Lat. 51. 40.