Shanghai generally refers to Shanghai. Shanghai, referred to as "Shanghai" or "Shen" for short, is a municipality directly under the Central Government of the People's Republic of China, a national central city, a megacity and the core city of Shanghai metropolitan area. China is an international economic, financial, trade, shipping and scientific and technological innovation center approved by People's Republic of China (PRC) and the State Council, and is a famous historical and cultural city in China.