St Hilary (Welsh: Saint Hilari ) is a village in the Vale of Glamorgan, Wales. It is located just south of the A48, about a mile southeast of the market town of Cowbridge. The village has a population of about 260, in approximately 80 houses. Notable landmarks in the vicinity include The Bush Inn, the Church of St Hilary, the Old Beaupre Castle, , Coed Hills and St. Hilary mast.