City Union Bank Limited is an Indian private sector bank headquartered in Kumbakonam, Tamil Nadu. The bank was initially named Kumbakonam Bank Limited, and was incorporated on 31 October 1904. The bank focused on operating as a regional bank in Thanjavur district, Tamil Nadu. In FY2026 the bank had a market capitalization of ₹93.62 billion and operated 932 branches, and 1762 ATMs.
The Bank operates a network of 425 branches, with 291 locations situated in Tamil Nadu, accounting for 72% of its total business.Wikipedia