Which country is Citibank from? Citibank is American. Citibank (Citibank, the Chinese name "Citi" comes from the habitual name of Shanghai residents for the bank) is a retail bank under Citigroup. Its main predecessor is the "City Bank of New York" established on June 16, 1812 ( City Bank of New York), after nearly two centuries of development, mergers and acquisitions, has become the largest bank in the United States. It is also a major international bank with branches in nearly 150 countries and regions around the world. It is headquartered in New York. 399 City Park Avenue. On September 19, 2012, Citibank (China) Co., Ltd. announced in Shanghai that its credit card business in China was officially operational. Citigroup serves approximately 200 million customers in more than 100 countries around the world, including individuals, institutions, businesses and government departments. It provides a wide range of financial products and services from consumer banking services and credit, corporate, investment banking services, as well as brokerage, insurance and asset management, which is unmatched by any other financial institution. The main ones now brought together under Citigroup are Citibank, Travelers Life, Pension Insurance, Smith Barney, Citi-financial, Banamex and Primerica.