The Metropolitan Life Insurance Company Tower is a skyscraper occupying a full block in the Flatiron District of Manhattan in New York City. The building is composed of two sections: a 700-foot-tall (210 m) tower at the northwest corner of the block, at Madison Avenue and 24th Street, and a shorter east wing occupying the remainder of the block bounded by Madison Avenue, Park Avenue South, 23rd Street, and 24th Street. The South Building, along with the North Building directly across 24th Street, comprises the Metropolitan Home Office Complex, which originally served as the headquarters of the Metropolitan Life Insurance Company.

The Flatiron District is a neighborhood in the borough of Manhattan of New York City, named after the Flatiron Building at 23rd Street, Broadway and Fifth Avenue. Generally, the Flatiron District is bounded by 14th Street, Union Square and Greenwich Village to the south; the Avenue of the Americas and Chelsea to the west; 23rd Street and Madison Square to the north; and Park Avenue South and Gramercy Park to the east.