| Country: | Wales |
| Welsh Name: | Silstwn |
| Official Name: | Gileston |
| Coordinates: | 51.394°N -3.412°W |
| Static Image: | Gileston12.jpg |
| Static Image Width: | 260px |
| Static Image Caption: | St. Giles Church |
| Unitary Wales: | Vale of Glamorgan |
| Lieutenancy Wales: | South Glamorgan |
| Constituency Welsh Assembly: | Vale of Glamorgan |
| Constituency Westminster: | Vale of Glamorgan |
| Postcode Area: | CF |
| Os Grid Reference: | ST019670 |
Gileston (Welsh: Silstwn) is a small Welsh village near West Aberthaw in the Vale of Glamorgan on the coast of South Wales.
It is located some 15 miles along the coast from Cardiff and lies between Barry and Llantwit Major. Breaksea Point is the southernmost point of Wales.
Barry Golf Club, The Leys, Gileston, (now defunct) was founded in 1897/8. In 1917 a new professional arrived at Barry Golf Club by the name of David James Rees. His four-year-old son, Dai Rees, learned the game there and went on to become a legend in world golf, captaining the British Ryder Cup team which beat America in 1957. The club and course was lost in 1957 when Aberthaw Power Station was built on the site.[1]
Gileston/West Aberthaw beach overlooking Limpert Bay has a number of pillboxes which still stand from World War II. It has the arable farm of the Thomas family who have farmed the surrounding land for over 100 years.
The village is tiny and previously consisted of little more than the church and the Gileston Manor. In 1771 the Bishop of Llandaff recorded that the population consisted of the rector and his family (who was also the squire of the manor house); a farmer, his wife, son and four servants; an old man and an old woman.[2]