High Quality Content by WIKIPEDIA articles! Over-the-Rhine, sometimes shortened to OTR, is a neighborhood in Cincinnati, Ohio. It is believed to be the largest, most intact urban historic district in the United States. Over-the-Rhine was added to the National Register of Historic Places in 1983 with 943 contributing buildings. It contains the largest collection of Italianate architecture in the United States, and is an example of an intact 19th-century urban neighborhood. Its architectural significance has been compared to the French Quarter in New Orleans, the historic districts of Savannah, Georgia and Charleston, South Carolina, and Greenwich Village in New York City. Besides being a historic district, the neighborhood has an arts community that is unparalleled within Cincinnati. Over-the-Rhine is bordered by the neighborhoods of Downtown, CUF, Mount Auburn, Pendleton, and the West End. Over-the-Rhine was voted best Cincinnati neighborhood in CityBeat`s Best of Cincinnati 2011.