Coimbatore, also known as Kovai , is a major city in the Indian state of Tamil Nadu. It is the second largest city and urban agglomeration in the state after Chennai and the sixteenth largest urban agglomeration in India. It is administered by the Coimbatore Municipal Corporation and is the administrative capital of Coimbatore district. It is one of the fastest growing tier-II cities in India and a major textile, industrial, commercial, educational, information technology, healthcare and manufacturing hub of Tamil Nadu. It is often referred to as the "Manchester of South India" due to its cotton production and textile industries. Coimbatore is also referred to as "Pump City" and it supplies two thirds of India's requirements of motors and pumps. The city is one of the largest exporters of jewellery, wet grinders, poultry and auto components with "Coimbatore Wet Grinder" and "Kovai Cora Cotton" recognized as Geographical Indications by the Government of India. The city is located on the banks of Noyyal river surrounded by the Western Ghats.