Aberaman, Abercanaid, Abercwmboi, Aberdare / Aberdâr, Aberfan, Abermorlais, Abernant, Bedlinog, Blaenllechau, Bryntirion, Buarth Capel, Cae-draw, Cae-pant-tywyll, Caegarw, Cefn-coed-y-cymmer, Cefnpennar, Clwydyfagwyr, Cwmaman, Cwmdare, Cwmfelin, Cwmpennar, Darranlas, Dowlais, Dowlais Top, Ferndale, Ffos-y-frân, Gadlys, Galon-Uchaf, Gellideg, Georgetown, Glebeland, Glenboi, Godreaman, Gurnos, Heolgerrig, Hirwaun, Incline Top, Llanwonno, Llwydcoed, Maerdy, Merthyr Tydfil / Merthyr Tudful, Merthyr Vale / Ynysowen, Miskin, Morgan Town, Morlais Castle, Mountain Ash / Aberpennar, Mountain Hare, Mynachdy, Pen-y-Darren, Pen-y-wern, Penrhiwceiber, Penrhys, Pentrebach, Penyard, Penyrheol, Penywaun, Perthcelyn, Pontygwaith, Rhyd-y-car, Robertstown, Stanleytown, The Quar, Thomas Town, Tre-Gibbon, Tre-Ifor, Trecynon, Trefechan, Troedyrhiw, Twynyrodyn, Tydfil's well, Tylorstown, Tyntetown, Upper Abercanaid, Williamstown, Winch Fawr, Ynys-fach, Ynysboeth, Ysgubor Newydd, Ystrad
