Dayton National Cemetery is a United States National Cemetery located in the city of Dayton in Montgomery County, Ohio. It encompasses 116.8 acres and as of August 14, 2014, had 49,751 interments. In January, 2014, it was one of only fourteen cemeteries to be designated as a national shrine. A new 2,000 niche columbarium was dedicated on July 24, 2014.