City FactsMayor: Cai Qi
Urban Population: 3,931,900
Total municipal area: 16,847 km² (6,504.7 sq mi)
Where: 30° 10' N 120° 07' E
Currency: Yuan (CNY)
Phone Area Code: + 86-571-
Airport: Hangzhou Xiaoshan International Airport (HGH) 15 kilometres from the city centre in Hangzhou.
Main Railway Station: Located at Jiancheng Road
Districts & counties: Binjiang, Gongshu, Jianggan, Shangcheng, Xiacheng, Xiaoshan, Xihu and Yuhang. County-level cities: Fuyang, Jiande and Linan. Counties: Chunan and Tonglu.
Climate: Hot and humid summers, cool dry winters. Average temperature in July is +33˚C and +8˚C in January.
Sister cities: Boston USA, Leeds Great Britain. Matsue Shimane Japan, Gifu Japan, Baguio Philippine, Fukui Japan, Jeonnam Korean, Nice France, Paramaribo Suriname, Budapest Hungary, Shemesh Israel, Agadir Marocco, Canberra Australia, Capetown - South Africa, Montego Bay Jamaica, Kazan Russia, Lalitpur Nepal.