Piva (Drina)

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Piva
Location
Country	Montenegro, Bosnia and Herzegovina
Physical characteristics
Mouth
• location	Drina
• coordinates	43°20′54″N 18°50′23″E / 43.3484°N 18.8396°E / 43.3484; 18.8396
Length	35 km (22 mi) 120 km (75 mi) as part of the system Tušina→Bukovica→Komarnica→Piva
Basin size	1,784 km2 (689 sq mi) [1]
Basin features
Progression	Drina→ Sava→ Danube→ Black Sea

The Piva (Cyrillic: Пива, pronounced [pîʋa]) is a river in Montenegro and Bosnia and Herzegovina. The river runs through Montenegro for most of its course length, and in its last three kilometres marks the border between the two countries.