| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Abercanaid | city | Merthyr Tydfil | United Kingdom | 51.72 | -3.37 | 830 | 46594 |
| Aberfam | city | Merthyr Tydfil | United Kingdom | 51.69 | -3.33 | 830 | 46879 |
| Aberfan | city | Merthyr Tydfil | United Kingdom | 51.69 | -3.33 | 830 | 46879 |
| Cefn-coed-y-cymmer | city | Merthyr Tydfil | United Kingdom | 51.77 | -3.40 | 935 | 35172 |
| Co-chorp Coontae Verthyr Tudful | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Dowlais | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.37 | 889 | 43119 |
| Merter Tidvilis | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Merthyr Tudful | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Merthyr Tydfil | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Mertyr Tydfil | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Pont Sticill | city | Merthyr Tydfil | United Kingdom | 51.80 | -3.37 | 1669 | 20844 |
| Quakers Yard | city | Merthyr Tydfil | United Kingdom | 51.66 | -3.31 | 830 | 47502 |
| Treharris | city | Merthyr Tydfil | United Kingdom | 51.67 | -3.31 | 830 | 47590 |
| Troed-y-rhiw | city | Merthyr Tydfil | United Kingdom | 51.71 | -3.34 | 889 | 46690 |
| Troedyrhiw | city | Merthyr Tydfil | United Kingdom | 51.71 | -3.34 | 889 | 46690 |
| Мертир-Тидвил | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Мертір-Тідвіл | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Мърдър Тидфил | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| Трехаррис | city | Merthyr Tydfil | United Kingdom | 51.67 | -3.31 | 830 | 47590 |
| マーサー・ティドビル | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| 梅瑟蒂德菲尔 | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |
| 머서티드빌 주 | city | Merthyr Tydfil | United Kingdom | 51.75 | -3.38 | 862 | 42738 |