Azerbaijan–Iran border

largest landlocked salt lake, located between Europe and Asia

autonomous republic of Azerbaijan

river located in and along the countries of Turkey, Armenia, Azerbaijan, and Iran

separates the territories of Iran and Azerbaijan

thumb|right|260px|Drainage basin of Bolgarchay The Bolgarchay (, ) is a river, which forms part of the Azerbaijan–Iran border. It is long, and has a drainage basin of .

The Astarachay (, , ) is a small river that defines the eastern border between Iran and Azerbaijan in Western Asia.

reservoir between Azerbaijan and Iran