| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jagdispur | city | Bihar State of | India | 25.4833333 | 84.4166667 | 203 | 71988 |
| Jagdīspur | city | Bihar State of | India | 25.4833333 | 84.4166667 | 203 | 71988 |
| Jahanabad | city | Bihar State of | India | 25.05 | 83.8 | 252 | 79511 |
| Jahanabad | city | Bihar State of | India | 25.2166667 | 84.9833333 | 180 | 167044 |
| Jahangira | city | Bihar State of | India | 25.25 | 86.7166667 | 127 | 85815 |
| Jahangirpur Pirthi | city | Bihar State of | India | 25.6166667 | 85.2666667 | 147 | 132900 |
| Jahāngīra | city | Bihar State of | India | 25.25 | 86.7166667 | 127 | 85815 |
| Jahāngīrpur Pirthi | city | Bihar State of | India | 25.6166667 | 85.2666667 | 147 | 132900 |
| Jahānābād | city | Bihar State of | India | 25.05 | 83.8 | 252 | 79511 |
| Jahānābād | city | Bihar State of | India | 25.2166667 | 84.9833333 | 180 | 167044 |
| Jainagar | city | Bihar State of | India | 25.05 | 84.0833333 | 259 | 105915 |
| Jaipur | city | Bihar State of | India | 24.5833333 | 86.85 | 682 | 38097 |
| Jaitipur | city | Bihar State of | India | 25.45 | 84.95 | 167 | 111187 |
| Jaitiya | city | Bihar State of | India | 24.9 | 84.65 | 295 | 81742 |
| Jakhim | city | Bihar State of | India | 24.8333333 | 84.55 | 285 | 71466 |
| Jalalgarh | city | Bihar State of | India | 25.9666667 | 87.5333333 | 104 | 92187 |
| Jale | city | Bihar State of | India | 26.3833333 | 85.7333333 | 170 | 127122 |
| Jalālgarh | city | Bihar State of | India | 25.9666667 | 87.5333333 | 104 | 92187 |
| Jamalpur | city | Bihar State of | India | 25.3 | 86.5 | 495 | 136180 |
| Jamalpur | city | Bihar State of | India | 25.4166667 | 86.6666667 | 121 | 112493 |
| Jamdaha | city | Bihar State of | India | 24.75 | 86.9 | 351 | 31330 |
| Jamdāha | city | Bihar State of | India | 24.75 | 86.9 | 351 | 31330 |
| Jamo | city | Bihar State of | India | 26.3166667 | 84.5666667 | 203 | 137319 |
| Jamui | city | Bihar State of | India | 24.9166667 | 86.2166667 | 255 | 84084 |
| Jamālpur | city | Bihar State of | India | 25.3 | 86.5 | 495 | 136180 |
| Jamālpur | city | Bihar State of | India | 25.4166667 | 86.6666667 | 121 | 112493 |
| Jamūi | city | Bihar State of | India | 24.9166667 | 86.2166667 | 255 | 84084 |
| Janakpur Road | city | Bihar State of | India | 26.4833333 | 85.7166667 | 170 | 124811 |
| Jayanagar | city | Bihar State of | India | 26.5833333 | 86.15 | 187 | 114659 |
| Jaynagar | city | Bihar State of | India | 26.5833333 | 86.15 | 187 | 114659 |
| Jaypur | city | Bihar State of | India | 24.5833333 | 86.85 | 682 | 38097 |
| Jha Jha | city | Bihar State of | India | 24.7666667 | 86.3666667 | 403 | 56105 |
| Jhanjharpur | city | Bihar State of | India | 26.2666667 | 86.2833333 | 193 | 108632 |
| Jhanjhārpur | city | Bihar State of | India | 26.2666667 | 86.2833333 | 193 | 108632 |
| Jhā Jhā | city | Bihar State of | India | 24.7666667 | 86.3666667 | 403 | 56105 |
| Jiwdhara | city | Bihar State of | India | 26.6 | 84.9166667 | 200 | 140772 |
| Jogapari | city | Bihar State of | India | 26.8833333 | 84.3333333 | 223 | 74161 |
| Jogapatti | city | Bihar State of | India | 26.8833333 | 84.3333333 | 223 | 74161 |
| Jogiara | city | Bihar State of | India | 26.4166667 | 85.75 | 187 | 121080 |
| Jogiāra | city | Bihar State of | India | 26.4166667 | 85.75 | 187 | 121080 |
| Jogāpatti | city | Bihar State of | India | 26.8833333 | 84.3333333 | 223 | 74161 |
| Joki Hat | city | Bihar State of | India | 26.1333333 | 87.6166667 | 167 | 126195 |
| Joki Hāt | city | Bihar State of | India | 26.1333333 | 87.6166667 | 167 | 126195 |
| Jākhim | city | Bihar State of | India | 24.8333333 | 84.55 | 285 | 71466 |
| Jāle | city | Bihar State of | India | 26.3833333 | 85.7333333 | 170 | 127122 |
| Jāmo | city | Bihar State of | India | 26.3166667 | 84.5666667 | 203 | 137319 |
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