Rhydlafar is a small settlement in Wales located on the outskirts of Cardiff being around 5 miles west of the city centre and 5 miles south-east of Llantrisant. The village falls within the community and ward of Creigiau & St Fagans. It was formerly the site of the specialist Prince of Wales Orthopaedic Hospital, Rhydlafar and the settlement essentially comprises a recent housing estate development built over the former hospital. The A4119 road lies just to the south, the dismantled railway of the Penrhos branch of the Barry Railway is immediately east, and the M4 bounds the settlement to the north.