What is "ynysybwl"

Ynysybwl is a village in Cwm Clydach in Wales. It is situated in the county borough of Rhondda Cynon Taf, roughly north-north-west of Cardiff, north of Pontypridd and south of Merthyr Tydfil, and forms part of the community of Ynysybwl and Coed-y-cwm.

Cwm Clydach is flanked by the Rhondda and Cynon Valleys. The market town of Pontypridd lies to the south at the meeting point of the three valleys; and to the north lies the large Llanwynno forestry. Before the local government reforms of 1996 Ynysybwl was in the Cynon Valley district of Morgannwg Ganol, and the area is historically a part of Glamorgan (Morgannwg).