| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jagdshof | city | Land Thuringen | Germany | 50.3666667 | 11.2333333 | 1909 | 15018 |
| Jagersdorf | city | Land Thuringen | Germany | 50.8333333 | 11.6 | 679 | 14812 |
| Jauern | city | Land Thuringen | Germany | 50.95 | 12.3833333 | 731 | 20119 |
| Jecha | city | Land Thuringen | Germany | 51.35 | 10.8833333 | 912 | 9214 |
| Jechaburg | city | Land Thuringen | Germany | 51.3666667 | 10.8333333 | 770 | 9086 |
| Jehmichen | city | Land Thuringen | Germany | 50.5833333 | 11.3166667 | 1568 | 12701 |
| Jena | city | Land Thuringen | Germany | 50.9333333 | 11.5833333 | 495 | 62025 |
| Jena-Ammerbach | city | Land Thuringen | Germany | 50.9 | 11.55 | 984 | 56428 |
| Jena-Burgau | city | Land Thuringen | Germany | 50.9 | 11.6 | 741 | 61453 |
| Jenalobnitz | city | Land Thuringen | Germany | 50.95 | 11.7 | 797 | 26278 |
| Jenalöbnitz | city | Land Thuringen | Germany | 50.95 | 11.7 | 797 | 26278 |
| Jenapriessnitz | city | Land Thuringen | Germany | 50.9333333 | 11.65 | 790 | 48324 |
| Jenaprießnitz | city | Land Thuringen | Germany | 50.9333333 | 11.65 | 790 | 48324 |
| Jerusalem | city | Land Thuringen | Germany | 50.6 | 10.4166667 | 1302 | 11582 |
| Jesuborn | city | Land Thuringen | Germany | 50.6666667 | 11.0166667 | 1548 | 13785 |
| Johannisberg | city | Land Thuringen | Germany | 50.6 | 10.4666667 | 1466 | 11564 |
| Jonaswalde | city | Land Thuringen | Germany | 50.8333333 | 12.3 | 997 | 22762 |
| Josthof | city | Land Thuringen | Germany | 50.9 | 10.1666667 | 1102 | 13126 |
| Juchhoh | city | Land Thuringen | Germany | 50.4166667 | 11.8666667 | 1788 | 9291 |
| Juchhöh | city | Land Thuringen | Germany | 50.4166667 | 11.8666667 | 1788 | 9291 |
| Juchsen | city | Land Thuringen | Germany | 50.4833333 | 10.4833333 | 1167 | 11250 |
| Juckelberg | city | Land Thuringen | Germany | 50.9333333 | 12.6333333 | 875 | 24071 |
| Judenbach | city | Land Thuringen | Germany | 50.4 | 11.2166667 | 2093 | 14952 |
| Judewein | city | Land Thuringen | Germany | 50.7 | 11.5833333 | 705 | 8679 |
| Jutzenbach | city | Land Thuringen | Germany | 51.5166667 | 10.3666667 | 1010 | 14310 |
| Jägersdorf | city | Land Thuringen | Germany | 50.8333333 | 11.6 | 679 | 14812 |
| Jüchsen | city | Land Thuringen | Germany | 50.4833333 | 10.4833333 | 1167 | 11250 |
| Jückelberg | city | Land Thuringen | Germany | 50.9333333 | 12.6333333 | 875 | 24071 |
| Jüdewein | city | Land Thuringen | Germany | 50.7 | 11.5833333 | 705 | 8679 |
| Jützenbach | city | Land Thuringen | Germany | 51.5166667 | 10.3666667 | 1010 | 14310 |
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