Sutla
| Sotla / Sutla | |
|---|---|
| Location | |
| Countries | |
| Physical characteristics | |
| Source | |
| • elevation | 580 m (1,900 ft) | 
| Mouth | |
|  • location | Sava | 
|  • coordinates | 45°51′52″N 15°41′01″E / 45.8645°N 15.6835°E | 
|  • elevation | 135 m (443 ft) | 
| Length | 88.6 km (55.1 mi) | 
| Basin size | 584.3 km2 (225.6 sq mi) | 
| Basin features | |
| Progression | Sava→ Danube→ Black Sea | 
The Sutla (Croatian: [sûtla]) or Sotla (Slovene: [ˈsóːtla]) is a river flowing through Slovenia and Croatia, mostly forming their border. It is a tributary to the Sava, itself a tributary to the Danube. It is 89 kilometres (55 mi) long and has a watershed area of 584 square kilometres (225 sq mi).