List of counties in the Territory of Swan (Joan of What?)

The is divided into 18 counties. The city was first divided into five counties immediately after the British takeover of New Holland in 1650. These were further subdivided to form seven additional counties by 1900. Another six were counties formed through further sub-division from 1900 to 1994. The most recent county formation in Swanstone was in 1994, when was created after being separated from neighbouring.