The Oosterschelde is a large estuary located in the southwestern part of the Netherlands. It is part of the Zeeland province and is known for its unique ecosystem, which includes a variety of marine life. The estuary is also significant for its role in flood protection, as it was part of the Delta Works project designed to safeguard the region from sea-level rise and storm surges. The Oosterschelde is a popular destination for outdoor activities such as sailing, fishing, and birdwatching. Its diverse habitats, including mudflats and salt marshes, attract many species of birds and other wildlife. The area is also home to the Oosterschelde National Park, which aims to preserve its natural beauty and ecological importance.