Southern Volcanic Plain Australia
The interim Australian bioregions, with the Southern Volcanic Plain in red
Area	24,403.4 km2 (9,422.2 sq mi)
Localities around Southern Volcanic Plain: Victorian Midlands Victorian Midlands Victorian Midlands Naracoorte Coastal Plain Southern Volcanic Plain South Eastern Highlands South East Coastal Plain South East Coastal Plain South East Coastal Plain

The Southern Volcanic Plain is an interim Australian bioregion located in western Victoria and south-eastern South Australia.^[1] It has an area of 2,440,340 hectares (6,030,200 acres).^[2] The Southern Volcanic Plain bioregion is part of the Southeast Australia temperate forests ecoregion. The Natural Temperate Grassland of the Victorian Volcanic Plain lies on the plain.

Subregions

The Southern Plains bioregion consists of two subregions:

• Victorian Volcanic Plain (SVP01) – 2,356,147 hectares (5,822,170 acres)
• Mount Gambier (SVP02) – 84,194 hectares (208,050 acres)