Ningbo, referred to as "Ningbo" for short, is a sub-provincial city in Zhejiang Province, a city with separate plans, an important port city in the southeast coast of China and an economic center in the south wing of the Yangtze River Delta approved by the State Council. As of 20 18, the city has jurisdiction over six districts, two counties and two county-level cities, with a total area of 98 16 square kilometers, a built-up area of 345.49 square kilometers, a permanent population of 8.202 million, an urban population of 5.9793 million and an urbanization rate of 72.9%.