Blaen Celyn is a hamlet in the community of Llangrannog, Ceredigion, Wales, approximately two miles from Llangrannog which is 70.8 miles (113.9 km) from Cardiff and 188.3 miles (303.1 km) from London. Blaencelyn is represented in the National Assembly for Wales by Elin Jones (Plaid Cymru) and the Member of Parliament is Mark Williams (Liberal Democrats).The local St. David’s Church is now closed.