The exception is Welby (formerly the village of Fitzroy) at 34°26′26″S 150°25′32″E / 34.44056°S 150.42556°E / -34.44056; 150.42556 which is almost cut off from the rest of the parish, located between the old and new Hume Highways.
This is a rectangular portion of land with only one corner touching the main part of the parish, along the Gibbergunyah creek.
The Southern Highlands railway line passes through the parish, including the stations of Burradoo, Bowral and Mittagong.
In 1827 land on portion 73 in the Parish of Mittagong was used for the building of an inn by George Cutler.
[1] In 1834 Elizabeth Sheckell, the widow of William Charker, received a grant for 200 acres (0.81 km2) of land on portion 35 of the Parish of Mittagong.