The Mavva system existed within the Aparo sector, situated in the Outer Rim Territories. Its designation was the same as the name of the Mavvan Conflict, a war that occurred sometime between 19 BBY and 15 BBY.
This system of Mavva initially appeared in the The Essential Atlas reference book from 2009, penned by Daniel Wallace along with Jason Fry. The book situated it within grid square R-3.