Where is this?

Where are these cities? (They are all in Europe)

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The correct answers are to be found amongst the following:-
Amsterdam - Antwerp - Athens - Arles - Avignon - Barcelona - Berlin - Bologna - Bratislava - Bruges - Bucharest - Copenhagen - Dubrovnik - Florence - Frankfurt - Geneva - Istambul - Krakow - Lisbon - Lyon - Madrid - Moscow - Palermo - Paris - Prague - Riga - Rome - Seville - St. Petersburg - Sofia - Tbilisi - Valetta - Venice - Vienna - Warsaw - Zagreb.