Cairo is the capital and largest city of Egypt, which is not an island nation.
Egypt is the nation whose capital is Cairo.
The capital city of Panama is Panama City
The capital of any nation (island or otherwise) is the city where the national government is headquartered.
The capital of any nation (island or otherwise) is the city where the national government is headquartered.
It is the capital of Mauritania.
the capital of the UK is London DUMBO. But the capital of Slovenia is Ljibujana
Kathmandu is the capital city of the nation of Nepal.
The capital city of Jamaica is Kingston
No nation has Quinto as its capital. However, Quito is the capital of Ecuador, which may be what you meant.
Montana
Madrid is the capital city of Spain.