Llanrhaeadr-yng-Nghinmeirch is a village and local government community in Denbighshire, Wales, including the villages of Llanrhaeadr and Pentre Llanrhaeadr and several hamlets, including Saron, Pant Pastynog, Prion, Peniel and part of Mynydd Hiraethog.

It lies in the Vale of Clwyd near the A525 road between Denbigh and Ruthin.

[3] The medieval parish church of St Dyfnog contains a Tree of Jesse window, dating from 1533, described as "the finest glass window in all Wales, exceeded by few in England",[4] which was originally part of Basingwerk Abbey near Holywell.

[5] There is a primary school in a comparatively modern building, and the 16th-century King's Head public house in the village centre.

This ward stretches south with a total population at the 2011 census of 1,856.