The Vladaya River is a river in western Bulgaria

Bulgaria

Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

, a tributary to the Iskar River.

The river flows from the northwestern slopes of Cherni Vrah

Cherni Vrah

Cherni Vrah is the summit of Vitosha Mountain in Bulgaria. Rising to 2290 m, the peak is the fourth highest mountain summit in the country after Musala , Vihren , and Botev Vrah .Cherni Vrah is bounded to the northwest by Torfeno Branishte which — like the extensive adjacent...

 on Vitosha Mountain

Vitosha

Vitosha is a mountain massif, on the outskirts of Sofia, the capital of Bulgaria. Vitosha is one of the tourists symbols of Sofia and the closest site for hiking, alpinism and skiing. Convenient bus lines and rope ways render the mountain easily accessible. Vitosha has the outlines of an enormous...

, crossing Torfeno Branishte

Torfeno Branishte

Torfeno Branishte is a nature reserve on Vitosha Mountain in Bulgaria, along with the Bistrishko Branishte reserve. The reserve has a surface area of 728.8 ha comprising the parts of Big Plateau and the Kapaklivets Plateau between the peaks of Cherni Vrah , Ushite , and Chernata Skala ,...

 Nature Reserve, then submerging beneath Zlatnite Mostove Stone River

Zlatnite Mostove

Zlatnite Mostove is the largest stone river on Vitosha Mountain, Bulgaria. The feature is situated in the valley of Vladayska River, extending 2.2 km, and up to 150 m wide, with several ‘tributary’ stone rivers. The stone river is ‘descending’ from elevation 1800 m above sea level...

, turning to the northeast at the village of Vladaya

Vladaya

Vladaya is a village situated on the northwestern parts of Vitosha mountain in western Bulgaria. - Geography and population :The village is situated in the valley between Vitosha mountain and Lyulin Mountain on the outskirts of Sofia city....

 from which the river takes its name, entering Sofia Valley

Sofia Valley

The Sofia Valley is a valley in central western Bulgaria, bordering Stara Planina to the northeast, the Viskyar, Lyulin, Vitosha and Lozen mountains to the southwest, the Vakarel Mountain to the southeast and the low Slivnitsa Heights to the northwest....

 via Vladaya Gorge, and crossing the city of Sofia

Sofia

Sofia is the capital and largest city of Bulgaria and the 12th largest city in the European Union with a population of 1.27 million people. It is located in western Bulgaria, at the foot of Mount Vitosha and approximately at the centre of the Balkan Peninsula.Prehistoric settlements were excavated...

 (featuring the historical ‘Lavov most’ / ‘Lion's Bridge’ in the process) to flow into Iskar River in its northeastern suburbs.