Lyceum Theatre (Park Avenue South)

The 23rd Street station is a local station on the IRT Lexington Avenue Line of the New York City Subway. Located at the intersection of Park Avenue South and 23rd Street in Gramercy Park and Flatiron District, Manhattan, it is served by 6 trains at all times, <6> trains during weekdays in the peak direction, and 4 trains during late night hours. The 23rd Street station was constructed for the Interborough Rapid Transit Company (IRT) as part of the city's first subway line, which was approved in 1900. Construction of the line segment that includes the 23rd Street station started on September 12 of the same year. The station opened on October 27, 1904, as one of the original 28 stations of the New York City Subway. The station's platforms were lengthened in the late 1940s. The 23rd Street station contains two side platforms and four tracks; express trains use the inner two tracks to bypass the station. The station was built with tile and mosaic decorations, which are continued along the platform extensions. The platforms contain exits to 22nd Street to the south and 23rd Street to the north. The platforms are not connected to each other within fare control. The station contains elevators from the street, which make it compliant with the Americans with Disabilities Act of 1990.

The École, formerly 'École Internationale de New York, is an independent, French-American bilingual school serving an international community of Maternelle-to-Middle School students in New York City’s Flatiron District. The École has been designed to cultivate an internationally minded community of students. From Maternelle to Middle School, they artfully blend the best of the French and American educational systems, gifting students with deep bi-literacy, whole-child skills and knowledge, and an optimistic, multi-cultural perspective. So they grow more flexible and fluid, interested and interesting, persistent and positive. And always ready to shape and share their life's successes—whatever the moment and wherever they go. Its main building is at 111 East 22nd Street between Park and Lexington Avenues, where three floors accommodate the 2nd to 5th grades and the Middle School. While the Maternelle - the preschool - and the 1st graders are at 206 Fifth Avenue between West 25th and 26th Streets.As of 2018, The École counts 220 students. Each class has around 12 to 20 students, and each grade level has one or two classes. The École just signed a new lease to expand its main building, doubling the usable surface. Constructions are planned to start first quarter 2019. While it is developing, The École wants to maintain its small and strong community, never exceeding more than 20 students per class and 2 classes per grade.

The United Charities Building, also known as United Charities Building Complex, is at 105 East 22nd Street or 287 Park Avenue South, in the Gramercy Park neighborhood of Manhattan, New York City, near the border of the Flatiron District. It was built in 1893 by John Stewart Kennedy, a wealthy banker, for the Charity Organization Society. It was designated a National Historic Landmark in 1991 for the role the Charity Organization Society played in promoting progressive social welfare policies, including the development of academic disciplines in that area.

Swann Galleries is a New York City auction house founded in 1941. It is a specialist auctioneer of antique and rare works on paper, and it is considered the oldest continually operating New York specialist auction house. The company has separate specialist departments for books, autographs and manuscripts, maps and atlases, photographs and photographic literature, prints and drawings, vintage posters, illustration art, and African-American fine art. Additionally, Swann conducts annual sales of printed and manuscript African Americana. In total, Swann conducts over 35 catalogued live auctions a year.

300 Park Avenue South (previously the Mills & Gibb Building and currently also known as The Creative Arts Center) is a building on the northwest corner of East 22nd Street in the Flatiron District/Gramercy Park neighborhoods of Manhattan, New York City.

The Gramercy Theatre is a music venue in New York City. It is located in the Gramercy neighborhood of Manhattan, on 127 East 23rd Street. Built in 1937 as the Gramercy Park Theatre, it is owned and operated by Live Nation as one of their two concert halls in New York City, the other being the nearby Irving Plaza.

The Peoples Improv Theater (PIT), also known as the PIT, is a comedy theater and training center in New York City, founded by comedian Ali Farahnakian in 2002. Shows combine improvisational comedy, sketch comedy, stand-up, theater, and variety. Each show is hosted by a combination of "house teams" of comedians hired by PIT and by outside comedians.After closing several of their theaters due to the COVID-19 pandemic, The PIT now only resides in its PIT Loft location in the Chelsea neighborhood of Manhattan.Notable alumni of the PIT include The Office actress Ellie Kemper, comedian and voice actress Kristen Schaal, and comedian and actor Hannibal Buress.

121 East 22nd (also 122 East 23rd Street) is a building in the Gramercy Park neighborhood of Manhattan in New York City, developed by American company Toll Brothers. It is the first building in New York City designed by Rem Koolhaas's architectural firm OMA.

Madison Square Park Tower, previously 45 East 22nd Street, is a skyscraper completed in 2017 and located between Broadway and Park Avenue South in the Flatiron District neighborhood of Manhattan, New York City. The building was designed by Kohn Pedersen Fox and developed by Ian Bruce Eichner's Continuum Company. It was the second skyscraper to be built on that block, after One Madison.

The Metropolitan Life North Building, now known as Eleven Madison, is a 30-story art deco skyscraper in the Flatiron District adjacent to Madison Square Park in Manhattan, New York City, at 11-25 Madison Avenue. The building is bordered by East 24th Street, Madison Avenue, East 25th Street and Park Avenue South, and was formerly connected by a sky bridge and tunnel to the Metropolitan Life Insurance Company Tower just south of it. The North Building was built in three stages on the site of the second Madison Square Presbyterian Church. Construction started in 1929, just before the onset of the Great Depression. Originally planned to be 100 stories, the North Building was never completed as originally planned due to funding problems following the Depression. The current design was constructed in three stages through 1950. As part of the Metropolitan Life Home Office Complex, the North Building was added to the National Register of Historic Places on January 19, 1996.

Fotografiska New York is a branch of the Swedish photography museum Fotografiska in Gramercy Park, Manhattan, New York City. The museum's home is the Church Missions House, a six-story, 45,000-square-foot (4,200 m2) Renaissance Revival landmark. It opened in December 2019.In addition to galleries, the museum was home to Veronika, a restaurant operated by Stephen Starr. Open for a few months before it paused due to the coronavirus pandemic, Veronika at Fotografiska Museum, according to TimeOut was a "high profile, gilded restaurant" that "never truly got going again." It permanently closed on September 1, 2021.

Baruch College Campus High School (BCCHS) is a public high school located in Kips Bay in the borough of Manhattan in New York City. BCCHS is renowned for its high academic standards, advisory program and perfect graduation rate. As of the 2019–20 school year, the school had an enrollment of 487 students and 24 classroom teachers (on an FTE basis), for a student–teacher ratio of 20:1.