The city of Tirunelveli, a major city in the South Indian state of Tamil Nadu, is also known by the name Nellai. it was known as Tinnevelly during the British era. It is an ancient city which is about 2000 years old and it is a town of ancient tradition and culture. River Thamirabarani flows through this city. It is an educational hub with many schools and colleges such as Anna University Regional Campus, Tirunelveli Medical College, Tirunelveli Law College, the Tirunelveli Veterinary College and Research Institution, etc. Tirunelveli has around a million residents employed in the service-sectors pertaining to administration, agro-machinery, agricultural trading, tourism, banking, information technology and educational services. The city has beedi and cement factories, workshops for steel-based products, tobacco companies, mills for cotton textiles, spinning and weaving units, etc. There are several small-scale industries like tanneries and brick kilns. Agriculture, as well as the handloom industry, also contribute to the economic growth of the city. The city is very well-connected to the rest of the state and the country via road and railways. There are a number of historical monuments at Tirunelveli - the Swami Nellaiappar Temple being the most famous one.
The City Union Bank was incorporated in the year 1904. In the year 1990, the bank has introduced computerization, and all the branches were computerized. The bank had an agreement with TCS for entering the Core Banking Solutions. The City Union Bank has installed ATMs at selected centers from where the users could check their account balance, withdraw cash and obtain account statements. The City Union Bank attained a license from the IRDA for selling insurance products and providing other value-added products. The bank entered into memorandum with LIC for selling insurance products. To function as a depository participant, the bank obtained the license under National Securities Depository Limited. The digital banking services of City Bank Union consists of Chatbot facility or Ask Lakhshmi, Passbook printing kiosk, Internet and mobile banking, CUB Virtual Credit Card facility and Cheque clearing kiosk. In 2016-17, it was awarded as the IRDBT Banking Technology Excellence Award of the year for cybersecurity and defense among the small banks.