Semily
| Semily | |
|---|---|
| View of the town | |
| Coordinates: 50°36′7″N 15°20′8″E / 50.60194°N 15.33556°E | |
| Country | Czech Republic | 
| Region | Liberec | 
| District | Semily | 
| First mentioned | 1352 | 
| Government | |
| • Mayor | Lena Mlejnková | 
| Area | |
|  • Total | 16.31 km2 (6.30 sq mi) | 
| Elevation | 340 m (1,120 ft) | 
| Population  (2025-01-01) | |
|  • Total | 8,022 | 
| • Density | 490/km2 (1,300/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
| Postal code | 513 01 | 
| Website | www | 
Semily (Czech pronunciation: [ˈsɛmɪlɪ]; German: Semil) is a town in the Liberec Region of the Czech Republic. It has about 8,000 inhabitants.