Nappanee is a city in Elkhart and Kosciusko counties in the U.S. state of Indiana. The population was 6,648 at the 2010 census. The name Nappanee probably means "flour." Nappanee holds the distinction of having the longest city name in the United States containing each letter in its name twice. The town has several tourist attractions: Amish Acres, Nappanee Raceway, The Arts & Crafts Festival, and the Apple Festival.