Dena Bank was a government-owned bank that in 2019 merged with Bank of Baroda. It was headquartered in Mumbai and had 1,874 branches. The bank was founded in 1938 as a privately owned Bank. In 1969 the Government of India nationalized Dena Bank.

Dena Bank was founded on 26 May 1938 by the sons of Devkaran Nanjee - Choonilal Devkaran Nanjee , Pranlal Devkaran Nanjee & other family members under the name Devkaran Nanjee Banking Company. It adopted its new name, Dena (Devkaran Nanjee) Bank, when it was incorporated as a public company in December 1939.

In July 1969, the government of India nationalized Dena Bank, along with thirteen other major banks. Dena Bank thereby became a Public Sector bank constituted under the Banking Companies (Acquisition & Transfer of Undertakings) Act, 1970. The Union Cabinet and the boards of the banks approved the merger on 2 January 2019. Under the terms of the amalgamation, Dena Bank and Vijaya Bank shareholders received 110 and 402 equity shares of the Bank of Baroda, respectively, of face value ₹2 for every 1,000 shares they held. The amalgamation became effective from 1 April 2019.

Bank of Baroda announced that it would auction the Dena Corporate Centre (Dena Bank's head office) at Bandra Kurla Complex, Mumbai in September 2019.

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