Rosehill is located 18 kilometres west of the Sydney central business district in the local government area of the City of Parramatta and is part of the Greater Western Sydney region.

Rosehill contains a mixture of residential, commercial, industrial and recreational land, with increased high-density housing proposed.

On 25 March 1789, Henry Dodd took charge of a farm established at Rose Hill.

[3] In December 1790, a crop of corn (wheat), described as "exceeding good," was harvested at Rose Hill.

[5] Nearly a hundred years later in 1883, 850 acres (3.4 km2) of John Macarthur's Elizabeth Farm were subdivided for industrial purposes.