There is no capital city that touches two continents. There are four cities in the world that touch two continents, but none of them is the capital of a country.
The two continents found in the southern hemisphere are Australia and Antarctica.
Istanbul
Turkey and Russia
Istanbul is the only city to stand on two Continents - Europe and Asia
Istanbul (Turkey)
Istanbul.
Turkey is the country that is found on two continents, Europe and Asia, and has the Bosporus Strait running through its capital city, Istanbul.
Istanbul.
istanbul
Istanbul, Turkey is the only city in the world that is located on two continents -- Europe and Asia. The city is divided by the Bosporus Strait, with the western part in Europe and the eastern part in Asia.
North America and Europe had matching rocks and minerals found, indicating that these continents were once joined together as part of the supercontinent Pangaea.
No continents have a capital city, unless you consider Australia on it's own to be a continent.