Gladestry (Welsh: Llanfair Llythynwg) is a small village and community in Radnorshire, Powys, mid-Wales, close to the border with England at the end of the Hergest Ridge and south of the large moorland area of Radnor Forest.

People living in Gladestry rely on the nearby town of Kington, Herefordshire, for shops, employment, and public services.

[3] The community includes Newchurch and Michaelchurch-on-Arrow, where another church, St Michael's is also a Grade I listed building.

[4] Offa's Dyke Path passes through the village and there are various footpaths and bridleways for walkers, cyclists and horse riders.

The Grade II* listed 17th-century manor house Baynham Hall is located in the hamlet of Michaelchurch-on-Arrow.