The Han River Estuary is the point where the Han River meets the Yellow Sea in South Korea. This area is significant for its rich biodiversity and serves as an important habitat for various species of fish and birds. The estuary plays a crucial role in the local ecosystem and supports both commercial and recreational fishing activities. Additionally, the Han River Estuary is vital for the surrounding communities, providing opportunities for tourism and leisure activities. The estuary's scenic views and natural beauty attract visitors, making it a popular destination for outdoor enthusiasts and nature lovers.