The Volga River is the longest river in Europe, stretching about 3,530 kilometers (2,194 miles). It flows through central Russia and empties into the Caspian Sea. The river is vital for transportation, irrigation, and hydroelectric power, supporting both the economy and agriculture in the region. The Volga basin is home to numerous cities, including Kazan and Nizhny Novgorod, and is known for its rich cultural heritage. The river also plays a significant role in Russian folklore and history, often referred to as the "Mother Volga" by locals, symbolizing life and sustenance.