Kolkata, formerly known as Calcutta, is the capital city of the Indian state of West Bengal. It is located on the eastern bank of the Hooghly River and is known for its rich cultural heritage, colonial architecture, and vibrant arts scene. The city is a major commercial and educational hub in India, home to several prestigious institutions like the University of Calcutta and the Indian Statistical Institute. Kolkata is famous for its diverse cuisine, particularly its sweets like rasgulla and sandesh. The city hosts various festivals, including the grand celebration of Durga Puja, which attracts visitors from around the world. With a population of over 4.5 million, Kolkata is one of the most populous cities in India.