Tandjong West was a particuliere land or private domain in modern-day Tanjung Barat, Jagakarsa, South Jakarta, Indonesia. The center of the domain was the eponymous Landhuis Tandjong West, an eighteenth-century Dutch colonial manor house.

Jagakarsa is the southernmost district in the administrative city of South Jakarta, Indonesia. Jagakarsa is bounded by Ciliwung River to the east, Krukut River to the west, and Margasatwa-Sagu-Joe-T.B.Simatupang-Poltangan Road to the north, while the boundary marches with Depok city to the south.