The Nestos is a river located in northeastern Greece, flowing through the region of Macedonia. It originates from the Rhodope Mountains and travels approximately 234 kilometers before emptying into the Aegean Sea. The river is known for its diverse ecosystems and rich biodiversity, making it an important natural resource in the area. The Nestos river valley is also significant for its historical and cultural heritage. It has been inhabited since ancient times, with nearby archaeological sites reflecting the region's long history. The river is popular for outdoor activities such as hiking, birdwatching, and kayaking, attracting both locals and tourists.