Citibank is the consumer division of financial services multinational Citigroup. Citibank was founded in 1812 as the City Bank of New York, later First National City Bank of New York.The United States is the largest single market with approximately 26% of branches, generating 51% of revenues. Citibank's 983 North American branches are concentrated in major metropolitan areas including New York City, Chicago, Los Angeles, San Francisco, Washington, D.C., Miami, Boston, Houston, and Dallas.