State and Territory (S/T) are separate spatial units representing the States and Territories within Australia. Jervis Bay Territory, the Territories of Christmas Island; Cocos (Keeling) Islands and Norfolk Island are included as one spatial unit at the State and Territory level under the category of Other Territories. 　

S/T are aggregations of one or more Statistical Area Level 4 (SA4s) in the ASGS Main Structure. 　

S/T boundaries are contiguous and, in aggregate, cover the whole of Australia without gaps or overlaps.