Adelaide is the next Australian city on this list which is also the important urban center of South Australia. The current site of Adelaide has previously belonged to the people of the Kaurna community, and they referred to this place by the name of Tarndanyangga. The word Tarndanyangga means the place of red kangaroo. The population of this city is estimated to be around 1.4 million. The area of this city is spread across 3,200 sq km.

The city of Adelaide was a systematically planned settlement and was founded in 1836. Settlers gave the name of Adelaide in honor of Queen Adelaide of the United Kingdom. An alternate name also knows the city of "City of Churches". The most beautiful places to visit in Adelaide are St Peter's Cathedral, Victoria Square, Elder Park, the UniSA building, etc.