The Commission received 12 representations regarding its initial proposal that this constituency be named Blaenau Gwent, Rhymney and Caerphilly.
Cafodd y Comisiwn 19 o gynrychiolaethau ynglŷn â’i gynnig cychwynnol i enwi’r etholaeth hon yn Alun, Glannau Dyfrdwy a Wrecsam.