The Arax River, also known as the Aras River, is a significant waterway in the South Caucasus region. It flows for about 1,072 kilometers, originating in Turkey and eventually emptying into the Caspian Sea. The river forms part of the border between Armenia and Azerbaijan, as well as between Iran and Azerbaijan. The Arax River is vital for irrigation and agriculture in the surrounding areas. It supports various ecosystems and provides water for local communities. The river is also historically important, as it has been a natural boundary and a trade route for centuries, influencing the cultures and economies of the regions it traverses.