Aberaman, Aberdare / Aberdâr, Abernant, Blaenrhondda, Cefn Rhigos, Cefn-coed-y-cymmer, Clwydyfagwyr, Cwm-hwnt, Cwmaman, Cwmbâch, Cwmdare, Gadlys, Gellideg, Georgetown, Godreaman, Heolgerrig, Llwydcoed, Llwyn-on Village, Maerdy, Pen-common, Pen-yr-englyn, Penderyn, Penywaun, Pont-Walby, Pontneddfechan, Rhigos, Robertstown, Tre-Gibbon, Tre-Ifor, Trecynon, Trefechan, Treherbert, Twyn Bryn-hîr, Tydfil's well, Tynewydd, Williamstown, Winch Fawr, Ynys-fach