Kolkata, formerly known as Calcutta, is the capital of West Bengal and a major urban center in eastern India, historically noted for its significance during British rule. Founded in 1690 by Job Charnock, Kolkata has a rich cultural heritage and is recognized as the 'City of Joy', being home to six Nobel laureates. The city's development reflects a mix of colonial and local influences, featuring distinct regions such as North, Central, and South Kolkata, each characterized by different socio-economic cultures and historical backgrounds.