Aberaman, Aberbargoed / Aberbargod, Abercanaid, Abercwmboi, Abercynon, Aberdare / Aberdâr, Aberfan, Abermorlais, Abernant, Bargod / Bargoed, Bedlinog, Blaenllechau, Bryntirion, Buarth Capel, Cae-draw, Cae-pant-tywyll, Caegarw, Carnetown, Cefnpennar, Cilfynydd, Coed y Cwm, Craig Berthlwyd, Cwmaman, Cwmbâch, Cwmfelin, Cwmpennar, Cwmsyfiog, Darranlas, Deri, Edwardsville, Elliot's Town, Ferndale, Ffos-y-frân, Fochriw, Gelligaer, Georgetown, Gilfach, Glebeland, Glenboi, Glyncoch, Godreaman, Goitre Coed, Heolgerrig, Incline Top, Llancaiach, Llanfabon, Llanwonno, Melin Caiach, Merthyr Tydfil / Merthyr Tudful, Miskin, Morgan Town, Mountain Ash / Aberpennar, Mountain Hare, Mynachdy, Nelson, New Tredegar, Parc Penallta Country Park, Pen-pedair-heol, Pen-y-bank, Pen-y-Darren, Penrhiwceiber, Pentrebach, Pentwyn Berthl?yd, Penyard, Penybryn, Penyrheol, Perthcelyn, Phillip's Town, Pontcynon, Pontlottyn, Quaker's Yard, Rhyd-y-car, Stanleytown, Taff Merthyr Garden Village, Tai'r-heol, The Quar, Thomas Town, Tir-y-berth, Tirphil, Tirphill, Treharris, Trelewis, Troedrhiwfuwch, Troedyrhiw, Twynyrodyn, Tydfil's well, Tylorstown, Tyntetown, Upper Abercanaid, Wattstown, Williamstown, Ynys-fach, Ynysboeth, Ynysybwl, Ysgubor Newydd
