Ournie is a rural community in the far south east part of the Riverina and situated about 15 kilometres north west from Welaregang and 20 kilometres south from Munderoo. Ournie is situated on the banks of the Ournie Creek which flows into the Murray River and the area is only about 4 kilometres from the border of Victoria.
The town was for a period the site of a small gold rush and the population grew to over 400 people in the late 1800's. At the time the town was centred around the gold mining area at 35°56′26.1″S147°47′48.9″E / 35.940583°S 147.796917°E / -35.940583; 147.796917. The remains of the old mind shafts still exist at this location. However the site is now located on private property.
Ournie Post Office opened on 1 July 1872, closed in 1875, reopened in 1904 and closed again in 1968.
