The Provadiya River is a river in northeastern 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...

. It is 119 km long and has a drainage basin

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 of 2,132 km². The river takes its source from close to the village of Dobri Voynikovo in Shumen Province

Shumen Province

-Religion:Religious adherence in the province according to 2001 census:-Transportation:Shumen lies on the main route between Varna and Sofia and is served by numerous trains and buses serving the city. The city is also very well connected with Istanbul which serves the large Turkish community in...

, flowing southeast and then making a sharp turn northeast to empty into Lake Devnya at Devnya

Devnya

Devnya is a town in Varna Province, Northeastern Bulgaria, located about 25 km away to the west from the city of Varna and The Black Sea Coast. It is the administrative centre of the homonymous Devnya Municipality...

. It is part of the Black Sea

Black Sea

The Black Sea is bounded by Europe, Anatolia and the Caucasus and is ultimately connected to the Atlantic Ocean via the Mediterranean and the Aegean seas and various straits. The Bosphorus strait connects it to the Sea of Marmara, and the strait of the Dardanelles connects that sea to the Aegean...

 drainage area, as Lake Devnya is connected to Lake Varna

Lake Varna

Lake Varna is the largest by volume and deepest liman or lake along the Bulgarian Black Sea Coast, divided from the sea by a 2 km-wide strip of sand and having an area of 17 km², maximal depth 19 m, and a volume of 166 million m³....

and it to the Black Sea.