Howrah is an industrial city, a municipal corporation in the Howrah district, West Bengal, India. It is the headquarters of the district, and also the headquarters of Howrah Sadar subdivision of the district. Located on the west bank of the Hoogli River, it is a twin city of Kolkata. It is West Bengal's second largest city in terms of both area and population. The two cities are connected by the Howrah Bridge (also known as Rabindra Setu), the Vidyasagar Setu (also known as the second Hooghly Bridge) and ferry services between various jetties in the two cities.