Midtown East in Manhattan in New York County, New York — The American Northeast (Mid-Atlantic)
Greenacre Park
217 East 51st Street
Park
has been placed on the
National Register
of Historic Places
by the United States
Department of the Interior
Topics. This historical marker is listed in these topic lists: Architecture • Parks & Recreational Areas. A significant historical year for this entry is 1971.
Location. 40° 45.367′ N, 73° 58.159′ W. Marker is in Manhattan, New York, in New York County. It is in Midtown East. It is on East 51st Street west of 2nd Avenue, on the right when traveling west. Touch for map. Marker is at or near this postal address: 217 E 51st St, New York NY 10022, United States of America. Touch for directions.
Regionally, this marker is in New York City. It is also in the American Northeast and in the Mid-Atlantic. Globally, it is in the North Atlantic Region, North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once New Netherland and also one of the original Thirteen Colonies.
Other nearby markers. At least 8 other markers are within walking distance of this marker: 312 East 53rd Street (about 800 feet away); Dorothy Thompson (about 800 feet away); The Timekeeper (about 800 feet away); The Benjamin Hotel (approx. 0.2 miles away); 570 Lexington Avenue (approx. 0.2 miles away); Mount Pleasant (approx. 0.2 miles away); The Neighborhood Playhouse School of the Theatre & Sanford Meisner (approx. 0.2 miles away); Dag Hammarskjold (approx. 0.2 miles away). Touch for a list and map of all markers in Manhattan.
Another marker is no longer nearby. William Lescaze (was about 700 feet away, measured in a direct line but has been confirmed missing).
Also see . . .
1. Greenacre Park. Wikipedia entry:
Links to National Register of Historic Places Registration Form (Submitted on September 2, 2025, by Larry Gertner of New York, New York.)
2. Greenacre Park. Website homepage (Submitted on September 2, 2025, by Larry Gertner of New York, New York.)

Photographed by Devry Becker Jones (CC0), August 29, 2025
3. Greenacre Park dedication plaque
Greenacre Park is dedicated to Laurence S. Rockefeller and Allston Boyer in appreciation of their encouragement and help in its planning and construction
October 14, 1971 Abby Rockefeller Mauze
Credits. This page was last revised on September 2, 2025. It was originally submitted on September 1, 2025, by Devry Becker Jones of Washington, District of Columbia. This page has been viewed 86 times since then and 13 times this year. Photos: 1, 2, 3. submitted on September 1, 2025, by Devry Becker Jones of Washington, District of Columbia.

