The Pierre

The International Debutante Ball is an invitation-only, formal debutante ball, to officially present well-connected young ladies of distinction from upper-class families to high society. Founded in 1954, it occurs every two years at the Waldorf Astoria Hotel in New York City. Young women from all over the United States and from around the globe are brought together at the ball and the surrounding parties, including daughters of presidents of the United States, billionaire businessmen, diplomats, nobility, ambassadors and governors. Over the years the ball has benefited numerous charities from the International Debutante Ball Foundation including the Soldiers', Sailors', Marines', Coast Guard and Airmen's Club of New York, a social club for members of the United States Armed Services.The International Debutante Ball is considered one of the most prestigious debutante balls in the world.

The Pierre hotel robbery was a January 2, 1972 robbery at The Pierre in New York City. The robbery netted $3 million (worth $27 million today), and was organized by Samuel Nalo; Robert "Bobby" Comfort, an associate of the Rochester Crime Family; and Christie "the Tic" Furnari, an associate of the Lucchese Crime Family. The heist was carried out by several of Furnari's gang burglars. This robbery would later be listed in the Guinness Book of World Records as the largest, most successful hotel robbery in history.

The Elbridge T. Gerry Mansion was a lavish mansion built in 1895 and located at 2 East 61st Street, near the intersection of Fifth Avenue, in the Upper East Side of Manhattan, New York City. It was built for Commodore Elbridge Thomas Gerry, a grandson of statesman Elbridge Gerry.

The Harmonie Club is a private social club in New York City. Founded in 1852, the club is the second oldest social club in New York. It is located at 4 East 60th Street, in a building designed by Stanford White.

The Metropolitan Club of New York is a private social club on the Upper East Side of Manhattan in New York City. It was founded as a gentlemen's club in 1891 for men only, but it was one of the first major clubs in New York to admit women, though they still represent a minority.

785 Fifth Avenue, usually called the Park Cinq, (Park-V), is a luxury, cooperative apartment building on the Upper East Side of Manhattan in New York City. It is located at 785 Fifth Avenue, at the southeast corner with 60th Street, across from Central Park and Grand Army Plaza.

The Knickerbocker Club (known informally as The Knick) is a gentlemen's club in New York City that was founded in 1871. It is considered to be the most exclusive club in the United States and one of the most aristocratic gentlemen's clubs in the world.The term "Knickerbocker", partly due to writer Washington Irving's use of the pen name Diedrich Knickerbocker, was a byword for a New York patrician, comparable to a "Boston Brahmin".

The Fifth Avenue–59th Street station is a station on the BMT Broadway Line of the New York City Subway. Located under Grand Army Plaza near the intersection of 5th Avenue and 60th Street in Manhattan, it is served by the N train at all times, the W train on weekdays, and the R train at all times except late nights.

Barneys New York Inc. was an American luxury department store brand founded in New York City in 1923. It introduced major luxury brands including Armani, Azzedine Alaïa, Comme des Garçons, Christian Louboutin, and Ermenegildo Zegna to the US market. Barneys New York filed for Chapter 11 bankruptcy in August 2019 and closed 15 of its 22 stores. Following its sale in November 2019, Authentic Brands Group took control of the Barneys brand name and licensed it to Saks Fifth Avenue. Former employees have filed lawsuits against Authentic Brands Group.

The Colony was a restaurant in New York City known as a meeting place of café society. It was founded in 1919 by Joseph L. Pani, who later sold it to a group of employees. It closed in 1971.

The Sherry-Netherland is a 38-story apartment hotel located at 781 Fifth Avenue on the corner of East 59th Street in the Upper East Side neighborhood of Manhattan, New York City. It was designed and built by Schultze & Weaver with Buchman & Kahn. The building is 560.01 feet (170.69 m) high, and was noted as the tallest apartment-hotel in New York City when it opened. The building is located in the Upper East Side Historic District, created in 1981.

Hotel New Netherland (later Hotel Netherland) was located at the northeast corner of Fifth Avenue and 59th Street, in Manhattan, New York City, New York, in what is now the Upper East Side Historic District. It contained the Sherry's restaurant from 1919 until its demolition in 1927.