Where Does the Danube River Meet the Sea?

The **Danube River** empties into the **Black Sea** via the **Danube Delta** at **Sulina, Romania**.

Details

• Location: Sulina, Tulcea County, Romania (also minor arms in Ukraine).
• Delta: **UNESCO World Heritage Site & Biosphere Reserve** (since 1991). Europe's best-preserved delta (~4,152 km²).
• Distributaries (Main Arms):
  • Chilia (North) — Ukraine border; youngest, most active.
  • Sulina (Central) — Maintained for navigation; port of Sulina.
  • Sfântu Gheorghe (South) — Oldest; winding, natural.
• Length: 2,850 km (1,770 mi) — **Europe's 2nd longest** (after Volga).
• Countries: 10 (Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, Ukraine) — most international river.

Ecological Significance

• 300+ bird species (pelicans, cormorants, eagles).
• 45+ freshwater fish (sturgeon — caviar source).
• Unique wetland habitats: reed beds, floating islands (plaur), sand dunes, oak forests.

The Danube Delta is a dynamic, biodiverse frontier where Europe's great river finally meets the sea.