| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jandrain | city | Province de Brabant Wallon | Belgium | 50.68 | 4.98 | 334 | 9183 |
| Jandrain-Jandrenouille | city | Province de Brabant Wallon | Belgium | 50.68 | 4.98 | 334 | 9183 |
| Jandrenouille | city | Province de Brabant Wallon | Belgium | 50.65 | 4.98 | 459 | 11984 |
| Jauche | city | Province de Brabant Wallon | Belgium | 50.68 | 4.95 | 337 | 10795 |
| Jauche la Marne | city | Province de Brabant Wallon | Belgium | 50.68 | 4.98 | 334 | 9183 |
| Jauchelette | city | Province de Brabant Wallon | Belgium | 50.68 | 4.85 | 374 | 8906 |
| Jausselette | city | Province de Brabant Wallon | Belgium | 50.62 | 4.83 | 524 | 8841 |
| Jerusalem | city | Province de Brabant Wallon | Belgium | 50.60 | 4.37 | 492 | 27038 |
| Jeune Pioul | city | Province de Brabant Wallon | Belgium | 50.60 | 4.43 | 387 | 14919 |
| Jodigne-Souveraine | city | Province de Brabant Wallon | Belgium | 50.70 | 4.85 | 367 | 9473 |
| Jodoigne | city | Province de Brabant Wallon | Belgium | 50.72 | 4.87 | 301 | 9104 |
| Jodoigne-Souveraine | city | Province de Brabant Wallon | Belgium | 50.70 | 4.85 | 367 | 9473 |
| Joli Bois | city | Province de Brabant Wallon | Belgium | 50.70 | 4.40 | 390 | 63217 |