Thane Creek is a tidal estuary located in the Mumbai Metropolitan Region of India. It connects the Ulhas River to the Arabian Sea and serves as an important ecological zone, supporting diverse flora and fauna. The creek is surrounded by urban development, making it a vital area for both wildlife and local communities. The creek is also significant for its role in flood management and water quality improvement. It provides a habitat for various species of birds, fish, and other aquatic life. Conservation efforts are ongoing to protect this important ecosystem from pollution and urban encroachment.