There is nothing like that, each country has it own capitol.
No, Europe is a continent, Stockholm is the capitol of Sweden
The city of Oslo the capitol of Norway which is in Europe.
Moscow.
Serbia.
Serbia.
Sofia is the capital of Bulgaria in Europe.
Tblisi is the capitol of Georgia, Europe.
Dublin, Ireland
Monaco is the capital of Monaco.
Vienna is a capitol itself. It's the capitol city of Austria, Europe. Because the Republic of Austria is a federation and Vienna on of its states, too, Vienna is also its own capitol.
Macedonia
Paris - France Madrid - Spain