Durban is the largest city in the South African province of KwaZulu-Natal and the third most populous in South Africa after Johannesburg and Cape Town. It is also the second most important manufacturing hub in South Africa after Johannesburg. Located on the east coast of South Africa, Durban is famous for being the busiest port in the country. It is also seen as one of the major centres of tourism because of the city's warm subtropical climate and extensive beaches. Durban forms part of the eThekwini Metropolitan Municipality, which includes neighboring towns and has a population of about 3.44 million, making the combined municipality one of the biggest cities on the Indian Ocean coast of the African continent. It has the highest number of dollar millionaires added per year of any South African city with the number rising 200 per cent between 2000 and 2014. In May 2015, Durban was officially recognised as one of the New7Wonders Cities together with Vigan, Doha, La Paz, Havana, Beirut, and Kuala Lumpur.