Brisbane is not a former capital of Australia. The other cities are all former capitals of their respective countries: 

Karachi: The capital of Pakistan from 1947 to 1959

Auckland: A former capital of New Zealand

Kyoto: A former capital of Japan

Brisbane was the capital of Australia before Canberra from 1842 to 1859. 

1. A total of ten countries are located on the Tropic of Capricorn. They are spread over three continents. Of the ten countries located on the Tropic of Capricorn, five are African countries.

2. They are Namibia, Botswana, South Africa, Mozambique and Madagascar. Argentina, Brazil, Chile and Paraguay are South American countries located on the Tropic of Capricorn.

3. Apart from five African countries and four South American countries, Australia is also located on the Tropic of Capricorn.