The Samur River is a significant waterway located in the Caucasus region of Russia and Azerbaijan. It flows for approximately 213 kilometers, originating in the Greater Caucasus Mountains and eventually emptying into the Caspian Sea. The river serves as a natural border between the two countries and plays a vital role in the local ecosystem. The Samur River basin is home to diverse flora and fauna, making it an important area for biodiversity. The river also supports agriculture and fishing in the surrounding communities, contributing to the livelihoods of many residents. Its waters are essential for irrigation and maintaining the region's agricultural productivity.