Mount Gambier is the second most populous city in South Australia with a population of 25,199 in the urban area, or 27,756 if associated peri-urban communities are included (2011 Census). Located on the slopes of the mountain of the same name in the south east of the state approximately 450 kilometres south-east of the capital Adelaide and just 17 kilometres from the Victorian border, it is the most important settlement in the Limestone Coast region and the seat of government for both the City of Mount Gambier and the District Council of Grant.

Mount Gambier has 20 active real estate agents working in the area, they have sold a total of 640 properties in the last 12 months.