Indo-Australian plate

Map showing the Indo-Australian plate (IA) and other major plates
The Indo-Australian plate, shown as its two subdivisions: the Indian plate (red) and the Australian plate (orange)

The Indo-Australian plate is or was a major tectonic plate. It is in the process of separation into three plates, and may be currently separated into more than one plate. It contains the continent of Australia, its surrounding ocean and extends north-west to include the Indian subcontinent and the adjacent waters.