Yesilirmak is the longest river in Turkey, flowing approximately 400 kilometers. It originates from the Eastern Anatolia region and travels through several provinces, including Sivas and Amasya, before emptying into the Black Sea. The river is known for its scenic beauty and rich biodiversity. The river plays a crucial role in the local economy, providing water for agriculture and supporting various ecosystems. It is also a popular destination for recreational activities such as fishing and boating. The surrounding areas are home to historical sites and cultural heritage, making Yesilirmak significant both environmentally and historically.