There are a lot more than two countries in the north of Europe, so a lot more than two capitals. Here are just some of them:
Helsinki - Capital of Finland
Stockholm - Capital of Sweden
Oslo - Capital of Norway
Copenhagen - Capital of Denmark
Tallinn - Capital of Estonia
Riga - Capital of Latvia
Vilnius - Capital of Lithuania
Belfast (capital of Northern Ireland) and Brussels (capital of Belgium)
University Network of the European Capitals of Culture was created in 2006.
Budapest, the capital of Hungary is one of the European capitals nearby a river I can name off the bat. In fact it is divided by that river.
Paris, France
Tokyo and Berlin .
prague
They are both European capitals.
All of the capitals in the Northern hemisphere are due north of the Equator.
One of the following countries' capital begging with a vowel
Bratislavia & Vienna
Danube
it actually -European capitals