Durban (Zulu: eThekwini ; itheku means "city") is a city on the east coast of South Africa in the province of KwaZulu-Natal and in the municipality of eThekwini. It is the third largest city in South Africa and the busiest port in Africa. As of 2011, the population of the eThekwini municipality was around 3.4 million. In 2020, it was named the greenest city in the world by Husqvarna Urban Green Space Index because of its many parks.