Fallsburg is a hamlet and census-designated place in the town of Fallsburg in Sullivan County, New York, United States. It was first listed as a CDP prior to the 2020 census. The community is in eastern Sullivan County, in the center of the town of Fallsburg. It is bordered to the south by South Fallsburg and to the north by Woodbourne. The Neversink River, a tributary of the Delaware River, flows from north to south through the community.