| Name | Chełmża |
| Office head of government | |
| Mayor | |
| Image |  |
| Area (m²) | 7,840,000 |
| Date founded | 1251 |
| Elevation (m) | 91 |
| Country | Poland |
| Administrative division | Kuyavian-Pomeranian |
| Continent | Europe |
| Latitude (°) | 53.1847229004 |
| Waterbody | |
| Longitude (°) | 18.6041660309 |
| Website | http://www.chelmza.pl/ |
| Population (people) | 14,808 (30/06/2016) |
| Demonym |