The city lies on two international waterways, at the confluence of the Sava and Danube in north central Serbia.

Finally, I tried to sum up the relevant international legal practice experience and lessons, meanwhile, some shallow suggestion on the use of international watercourses have been referred to.

The United States has called on China to respect the findings of arbitration court in the Hague earlier this year which invalidated its vast territorial claims in the strategic waterway.