İşbank, officially Türkiye İş Bankası, is a commercial bank in Turkey. Founded by the orders of Mustafa Kemal Atatürk in 1924, it is the first bank to go into operation in the Republic of Türkiye. As of a late 2023 report, the bank operates with 1.066 branches domestically, giving it one of the largest branch networks in Turkey. İşbank also has 22 branches across 11 different countries. The bank provides services to 24.3 million customers as of 2023. Wikipedia