Any skills Ranked 13th 21.1% Politics Rhondda Cynon Taff Council Control Labour MPs Chris Bryant Ann Clwyd Kim Howells Huw Irranca-Davies Rhondda Cynon Taff ( Welsh : Rhondda Cynon Tâf ) is a county borough in Glamorgan , south Wales . The district borders Merthyr Tydfil and Caerphilly to the east,