Budapest is the capital of Hungary, which starts with an H not an O.
Serbia, used to be Yugoslavia
London is the capital city in United Kingdom. Luxembourg is the capital city in Luxembourg. Lisbon is the capital city in Portugal. Ljubljana is the capital city in Slovenia.
No European capital city begins with the letter T.
Brussels
· Algiers is the capital of Algeria
Edinburgh (Scotland)
Amsterdam, Athens.
Most of 'em, but the answer you're looking for is Berlin.
Oslo, Norway
The country is Chile, and the capital is Santiago.
The Northern Kingdom of Israel had a capital at Samaria, but the current capital of Israel is Jerusalem.