| Lahti sub-region Lahden seutukunta |
|
|---|---|
| — Sub-region — | |
| Country | Finland |
| Region | Päijänne Tavastia |
| Population (2011) | |
| • Total | 201,930 |
| Time zone | EET (UTC+2) |
| • Summer (DST) | EEST (UTC+3) |
Lahti sub-region is a subdivision of Päijänne Tavastia and one of the Sub-regions of Finland since 2009.