Geography of West Bengal districts north of the Ganges i.e., Cooch Behar, Darjeeling, kalimpong, Jalpaiguri, Alipurduar, North Dinajpur, South Dinajpur and Malda are together termed as North Bengal. The capital and largest city of the state is Kolkata – the third-largest urban agglomeration and the seventh-largest city in India.Asansol is the second largest city & urban agglomeration in West Bengal after Kolkata. Siliguri is an economically important city, strategically located in the northeastern Siliguri Corridor (Chicken's Neck) of India. Other major cities and towns in West Bengal are Howrah, Durgapur, Raniganj, Haldia, Jalpaiguri, Kharagpur, Burdwan, Darjeeling, Midnapore, and Malda. Darjeeling Himalayan hill region is
Geography of West Bengal most famous among these is the Bengal tiger, but numerous species of birds, spotted deer, crocodiles and snakes also inhabit it. It is estimated that there are now 400 Bengal tigers and about 30,000 spotted deer in the area. West Bengal's climate varies from tropical savannah in the southern portions to humid subtropical in the north. The main seasons are summer, rainy season, a short autumn, and winter. While the summer in the delta region is noted for excessive humidity, the western highlands experience a dry summer like northern India, with the highest day temperature ranging from to . At