The Struma River is a significant waterway in southeastern Europe, flowing through Bulgaria and Greece. It originates from the Vitosha Mountain in Bulgaria and travels approximately 415 kilometers before emptying into the Aegean Sea. The river is known for its picturesque landscapes and rich biodiversity. The Struma River basin is an important ecological area, supporting various plant and animal species. It also plays a vital role in the local economy, providing water for agriculture and serving as a source of hydroelectric power. The river has historical significance, as it has been a natural boundary and trade route throughout the centuries.