West Bengal Blocks consists of panchayats (village councils) and town municipalities. The capital and largest city of the state is Kolkatathe third-largest urban agglomeration and the seventh-largest city in India. Asansol is the second-largest city and 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 cities and towns in West Bengal with 2011 populations over 250,000 are Durgapur, Bardhaman, English Bazar, Baharampur, Habra, Kharagpur, and Shantipur. , West Bengal has the sixth-highest GSDP in India. GSDP at current prices (base 2004–2005) has increased from Rs 2,08,656
Tourism in West Bengal which is 13.38% of the state's geographical area, compared to the national average of 21.02%. Part of the world's largest mangrove forest, the Sundarbans, is located in southern West Bengal. The southern part of West Bengal can be divided into two regions: the Gangetic plain and the littoral mangrove forests of the Sundarbans. The coastal region of Purba Medinipur exhibits coastal vegetation. A notable tree from the Sundarbans is the ubiquitous "sundari" ("Heritiera fomes"), from which the forest gets its name. The distribution of vegetation in northern West Bengal is dictated by elevation and precipitation. For example, the foothills of