| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Jablonowko | city | Poland | 53.02 | 16.73 | 308 | 3222 | |
| Jablonowo | city | Poland | 53.00 | 16.68 | 318 | 3594 | |
| Jabłonowo | city | Poland | 53.00 | 16.68 | 318 | 3594 | |
| Jabłonówko | city | Poland | 53.02 | 16.73 | 308 | 3222 | |
| Jaktorowo | city | Poland | 53.05 | 17.25 | 288 | 4607 | |
| Jakubowo | city | Poland | 52.78 | 17.05 | 232 | 3183 | |
| Jaracz | city | Poland | 52.70 | 16.88 | 226 | 6095 | |
| Jaraczewo | city | Poland | 53.17 | 16.58 | 419 | 221 | |
| Jaryn | city | Poland | 52.88 | 16.12 | 95 | 2752 | |
| Jasionna | city | Poland | 52.75 | 16.40 | 190 | 4009 | |
| Jastrow | city | Poland | 53.42 | 16.82 | 351 | 2464 | |
| Jastrowie | city | Poland | 53.42 | 16.82 | 351 | 2464 | |
| Jeziorki | city | Poland | 52.98 | 17.27 | 295 | 3595 | |
| Jeziorki | city | Poland | 53.15 | 16.87 | 262 | 15040 | |
| Jeziorki Kosztowskie | city | Poland | 53.18 | 17.17 | 269 | 5374 | |
| Jeziorko | city | Poland | 53.40 | 17.27 | 337 | 3001 | |
| Jozefowice | city | Poland | 53.05 | 17.08 | 167 | 4332 | |
| Jędrzejewo | city | Poland | 52.90 | 16.38 | 118 | 2428 | |
| Jędrzejewo | city | Poland | 52.85 | 16.62 | 334 | 3976 |