Ojdula (river)

The Ojdula (also: Orbai) is a left tributary of the Râul Negru in Romania.^[1][2] It flows into the Râul Negru near the city Târgu Secuiesc.^[3] Its length is 19 km (12 mi) and its basin size 48 km² (19 sq mi).^[2]

Ojdula
Location
Country	Romania
Counties	Covasna County
Villages	Ojdula
Physical characteristics
Mouth	Râul Negru
• coordinates	45.9830°N 26.1801°E / 45.9830; 26.1801
Length	19 km (12 mi)
Basin size	48 km2 (19 sq mi)
Basin features
Progression	Râul Negru→ Olt→ Danube→ Black Sea
Tributaries
• right	Orbaiul Mic