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• Portugal- Lisbon
• Spain-Madrid
• France- Paris
• Germany- Berlin
• Netherlands/ Holland- Amsterdam
• Belgium-Brussels
• Estonia-Tallinn
• Latvia- Riga
• Lithuania- Vilnius
• Belarus- Minsk
• Hungary- Budapest
• Czech- Prague
• Slovenia-Ljubljana
• Slovakia-Bratislava
• Romania- Bucharest
• Ireland-Dublin
• Norway- Oslo
• Finland- Helsinki
• Sweden- Stockholm
• Italy- Rome
• Greece-Athens
• Austria- Vienna
• Switzerland- Bern
• Denmark- Copenhagen
• Ukraine-Kiev
• Croatia- Zagreb
• Macedonia- Skopje
• Serbia- Belgrade
• Turkey-Ankara
• Bulgaria- Sofia
• Liechtenstein- Vaduz
• United Kingdom-London
• Russia- Moscow
• San Marino - San Marino
• Azerbaijan- Baku
• Albania- Tirana
• Luxembourg –Luxembourg
• Malta- Valletta
• Monaco- Monaco
• Vatican- Vatican city
• Andorra - La Vella
• Armenia- Yerevan
• Montenegro- Podgorica
• Kosovo- Pristina
• Sardinia- Cagliari
• Bosnia and Herzegovina- Sarajevo
• Moldova- Chisinau
• Georgia- T'bilisi
• Sicily - Palermo

EU members = 27

Schengen treaty = 25 nations -- free movement across borders --

Iceland, Norway, Switzerland have signed it, despite not being EU members; while UK, Ireland, Cyprus, Liechtenstein, Romania, Bulgaria, Vatican have not signed despite being part of EU.

The EU came into being on 1 November 1993 throught the Treaty of Maastricht. It was formed on the lines of European Economic Community. A single market system, with commonh economic policies, defines the EU. Sixteen EU members have adopted a common trading currency called the euro; these countries fall in the eurozone, viz., Austria, Belgium, Cyprus, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain.