An arboretum is a collection of trees. Arboretum may also refer to: Arboretum (Austin, Texas), a retail trade area in Austin, Texas Arboretum (Washington, D.C.), a neighborhood of Washington, D.C. The Arboretum, Nottingham, a residential area in Nottingham, England Arboretum (Derby ward), an electoral ward in Derby, England Arboretum (Nottingham ward), an electoral ward in Nottingham, England Arboretum Zürich, is a botanical garden, public park and arboretum in the Swiss city of Zürich See also Arbouretum, an American indie rock band