Pentyrch is a village and community located on the western outskirts of Cardiff, the capital city of Wales. The village gives its name to a Cardiff local authority electoral ward, Pentyrch, which covers the village and immediate surrounding area. The Pentyrch community includes the neighbouring village of Creigiau and Gwaelod y Garth. People living i…Pentyrch is a village and community located on the western outskirts of Cardiff, the capital city of Wales. The village gives its name to a Cardiff local authority electoral ward, Pentyrch, which covers the village and immediate surrounding area. The Pentyrch community includes the neighbouring village of Creigiau and Gwaelod y Garth. People living in Pentyrch are commonly known as "Penterchyians".