| District | Area in km2 | Number of inhabitants | Number of inhabitants per 1 km2 |
| Chomutov | 935 | 124,357 | 133 |
| Most | 467 | 113,153 | 242 |
| Teplice | 469 | 128,657 | 274 |
| Ústí nad Labem | 405 | 119,414 | 295 |
| Research area in total | 2276 | 485,581 | 213 |
| Ústí nad Labem region | 5335 | 822,272 | 154 |