Green Tree is a borough in Allegheny County, Pennsylvania, United States. The population was 4,941 at the 2020 census. It is a suburb of the Pittsburgh metropolitan area. Green Tree is connected to Pittsburgh via the Fort Pitt Tunnel.

Banksville is a neighborhood in Pittsburgh, Pennsylvania. The neighborhood of Banksville is located in the West End of the city and borders the South Hills region. Real estate agencies frequently refer to the Banksville area as Greentree City due to Banksville's shared border with the borough of Green Tree. It has two zip codes of both 15220 and 15216, and has representation in Pittsburgh City Council by the council member for District 2. Theresa Kail-Smith is the current Councilperson for district two. Banksville's primary corridor, Banksville Road, is frequently used as a gateway between the South Hills of Pittsburgh and downtown Pittsburgh via the Fort Pitt Tunnels. Banksville, formerly Union Township, joined the City of Pittsburgh around 1928.