The Danube Delta is a vast wetland located in Romania and Ukraine, formed by the Danube River as it flows into the Black Sea. It is one of the largest and best-preserved deltas in Europe, covering over 5,000 square kilometers. The delta is known for its rich biodiversity, hosting numerous species of birds, fish, and plants. This unique ecosystem is a UNESCO World Heritage Site, recognized for its ecological importance. The Danube Delta is a vital habitat for migratory birds and serves as a crucial breeding ground for various aquatic species, making it an essential area for conservation efforts.