Sydney, also known as the “Harbour City” is the largest, oldest and most cosmopolitan city in Australia and enjoys an admirable reputation as one of the world's most beautiful and lively cities. Located on Australia's east coast, Sydney is the capital of New South Wales and is the most populous city in Australia and Oceania. Sydney being a coastal basin has the Tasman Sea to its east, the Blue Mountains to the west, the Hawkesbury River to the north, and the Woronora Plateau to the south. The climate of Sydney is comfortable for travellers to visit any time of year. Spring in Sydney commences from September and continues till November and is easily the best time for exploring Sydney's attractions, bushwalking, cycling, beach visits, and so on. It is well known for its noteworthy natural features like Sydney Harbour, the Royal National Park, and the Royal Botanic Garden and man-made attractions such as Sydney Tower, the Sydney Harbour Bridge, the Sydney Opera House (World Heritage Site), Featherdale Wildlife Park, etc. Being Australia’s leading global city and the gateway to Asia, Sydney is the destination of choice for international corporations, business leaders, visitors and students. It is also home to some of Australia's most prestigious universities, technical institutions and schools.