Abercanaid, Aberfan, Abermorlais, Abertysswg, Ashvale, Bedlinog, Blaen-y-cwm, Bute Town, Cae-draw, Cae-pant-tywyll, Cefn Golau, Cefn-coed-y-cymmer, Clwydyfagwyr, Cwmbâch, Cwmfelin, Dowlais, Duke's Meadow, Dukestown, Ffos-y-frân, Fochriw, Galon-Uchaf, Gellideg, Georgetown, Georgetown, Glebeland, Gurnos, Heolgerrig, Incline Top, Llechryd, Llwyn-on Village, Merthyr Tydfil / Merthyr Tudful, Morgan Town, Morlais Castle, Mountain Hare, Nant-y-Bwch, Pant, Pen-y-bank, Pen-y-Darren, Pen-y-wern, Pentrebach, Penyard, Penyrheol, Pontlottyn, Pontsticill, Princetown, Rhyd-y-car, Rhymney / Rhymni, Scwrfa, Sirhowy / Sirhywi, Tafarnaubach, The Quar, Thomas Town, Tirphil, Tredegar, Trefechan, Trefil, Troedrhiwfuwch, Troedyrhiw, Twynyrodyn, Tydfil's well, Tynewydd, Upper Abercanaid, Vaynor / Faenor, Waundeg, Williamstown, Winch Fawr, Ynys-fach, Ysgubor Newydd