Fontainebleau and Marlyville are jointly designated as a neighborhood of the city of New Orleans. A subdistrict of the Uptown/Carrollton Area, its boundaries as defined by the New Orleans City Planning Commission are: Colapissa and Broadway Streets and MLK Boulevard to the north, Norman C. Francis Parkway, Octavia Street, Fontainebleau Drive, Nashville Avenue, South Rocheblave, Robert and South Tonti Street and Jefferson Avenue to the east, South Claiborne Avenue, Lowerline and Spruce Streets to the south and South Carrollton Avenue to the west.

Uptown is a section of New Orleans, Louisiana, United States, on the east bank of the Mississippi River, encompassing a number of neighborhoods between the French Quarter and the Jefferson Parish line. It remains an area of mixed residential and small commercial properties, with a wealth of 19th-century architecture. It includes part or all of Uptown New Orleans Historic District, which is listed on the National Register of Historic Places.