The Danube, an important international waterway, flows through Serbia.

Other international treaties have opened up rivers, which are not traditionally international waterways.

Certain straits have been specifically designated as international waterways by treaty.

From every public platform, we've been very clear that the United States considers this an international waterway.

It will be the first time that China has tried to close such a large portion of the international waterway between Taiwan and the mainland.

But we will not be chased out of any international waterways.

The Persian Gulf, notwithstanding its status as an international waterway, remains largely an Iranian lake.

The Copenhagen Convention of 1857 made the Danish straits an international waterway.

Chabahar has two jetties that connect it to international waterways.

Its valley and the Salang Pass form an important international waterway.