Vladaya (river)

Vladaya
The Vladayska on Vitosha Mountain
Native nameВладайска река (Bulgarian)
Location
CountryBulgaria
Physical characteristics
Source 
  locationNW of Cherni Vrah, Vitosha
  coordinates42°33′51″N 23°16′59″E / 42.5642°N 23.2831°E / 42.5642; 23.2831
  elevation2,245 m (7,365 ft)
Mouth 
  location
Perlovska
  coordinates
42°45′12″N 23°22′24″E / 42.7532°N 23.3734°E / 42.7532; 23.3734
  elevation
550 m (1,800 ft)
Length37 km (23 mi)
Basin size151 km2 (58 sq mi)
Basin features
ProgressionPerlovskaIskarDanubeBlack Sea

The Vladayska reka (Bulgarian: Владайска река) is a 37 km-long river in western Bulgaria, a left tributary of the Perlovska, itself a left tributary of the Iskar of the Danube drainage.