Political subdivisions: Six states, two mainland territories, and eight external territories.

Australia's external territories follow their own time zones.

Most Australian external territories are in different time zones.

This list doesn't include our external territories.

Australia's external territories are also included in Australia Post's postcode system.

EU and their external territories (see note below for definition)

Together with two neighbouring islands, it forms one of Australia's external territories.

Each Australian external territory has a specific postal and philatelic history.

The remaining external territories (in Antarctica) do not have permanent courts.

Norfolk, then an external territory since 1914, asked for its own postage stamps in 1923, and again in 1937.