Geographic Location
- Region: Blagoevgrad Province, SW Bulgaria
- River Basin: Mesta/Nestos
- Drainage Basin: Mesta Basin Catchment (2,767 km²)
- Border: ~ 14.0 km upstream of the Greek borders
Environmental Context
- Surrounded by: Rila, Pirin, Slavyanka Mountains
- Climate: Mediterranean transitional
- Flow Regime: Mediterranean seasonal pattern
- Ecosystem: Mountain-Mediterranean transition
Ecological Significance:
The Hadzhidimovo observation station monitors the Mesta River, which later enters Greece and becomes known as the Nestos River. The river serves as an important ecological corridor between the Rila-Pirin mountain ecosystems and the Aegean coastal regions.