body of black sea
The Black is the Eastern frontier of Bulgaria
The Mediterranean Sea forms part of Libya's coastline.
Mediterranean A+
Indian ocean
The river Dunărea (Danube).
Lake Victoria
This river is Danube.
You think of course to Danube river.
Nigra Falls has nothing related to Bulgaria
Baltic sea
Five countries border Romania. They are Bulgaria, Serbia, Hungary, Ukraine and Moldova. Romania also has a coastline on the Black Sea.
The Gulf of Guinea forms the southern coast of Nigeria. It is part of the Atlantic Ocean and stretches along the country's coastline from the western to the eastern border.