Port Phillip is a large, shallow bay located in southeastern Australia, primarily bordered by the city of Melbourne. It is an important natural harbor and is known for its scenic beauty, recreational activities, and diverse marine life. The bay covers an area of approximately 1,930 square kilometers and is connected to the Bass Strait through the Port Phillip Heads. The region surrounding Port Phillip includes several suburbs and towns, making it a popular destination for both residents and tourists. The bay is also home to various parks and beaches, such as St Kilda Beach and Albert Park, which offer opportunities for swimming, sailing, and other water sports.