The attack happened just after 3 a.m. near Central Park South and West Drive, according to investigators. The woman told police she was assaulted by a man she did not know.
Police said the woman had been walking with friends when she became separated from the group. Investigators said a man approached her from behind, grabbed her buttocks and then fled the area.
The victim suffered minor injuries and was taken to a hospital for treatment.
Police describe the suspect as a man between 25 and 30 years old who was last seen wearing a white jersey and black shorts.
No arrests have been made, and the investigation remains ongoing.
Anyone with information is asked to contact the NYPD Crime Stoppers Hotline at 1-800-577-TIPS.
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