The Drin is the longest river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in Albania

Albania

Albania , officially known as the Republic of Albania , is a country in Southeastern Europe, in the Balkans region. It is bordered by Montenegro to the northwest, Kosovo to the northeast, the Republic of Macedonia to the east and Greece to the south and southeast. It has a coast on the Adriatic Sea...

 with a total length of 160 km (99 mi). It has two distributaries

Distributary

A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel. They are a common feature of river deltas. The phenomenon is known as river bifurcation. The opposite of a distributary is a tributary...

, one going directly into the Adriatic Sea

Adriatic Sea

The Adriatic Sea is a body of water separating the Italian Peninsula from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges...

, the other one into the Bojana River

Bojana River

The Bojana or Buna , is a 41 km long river in Albania and Montenegro which flows into the Adriatic Sea. An outflow of Lake Skadar, measured from the source of the lake's longest tributary, the Morača, the Morača-Lake Skadar- Bojana system is 183 km long.- The river in Albania :The river...

 (Buna in Albanian).
The Drin starts at the confluence of its two headwaters, the Black Drin

Black Drin

The Black Drin is a river in Albania and the Republic of Macedonia. It flows out of Lake Ohrid in Struga, Macedonia. After approximately it crosses the border to Albania, west of Debar. It merges with the White Drin in Kukës to form the Drin, which flows into the Adriatic Sea...

 in the city of Struga

Struga

Struga is a town and popular tourist destination situated in the south-western region of the Republic of Macedonia, lying on the shore of Lake Ohrid. The town of Struga is the seat of Struga Municipality.-Etymology:...

 and White Drin in the city of Kukës

Kukës

Kukës is a town in Albania located at 42.09°N, 20.43°E in the district and county with the same name. It has a population of about 16,000 . The town is set among the mountains of northern Albania. It is famous for its role during the Kosovo conflict for taking in 450,000 refugees from Kosovo...

 in the Trektan area of eastern Albania. Measured from there until its end at the Adriatic sea, the Drin is 160 km (99 mi) long.