which country uses euro as its main currency?
Italy Portugal Finland Luxembourg France Slovenia Austria Germany Greece Spain
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 With all but two of the remaining EU members obliged to join , together with future members of the EU , the enlargement of the eurozone is set to continue . Outside the EU , the euro is also the sole currency of Montenegro and Kosovo and several European microstates ( Andorra , Monaco , San Marino and the Vatican City ) as well as in four overseas territories of EU members that are not themselves part of the EU ( Saint Barthélemy , Saint Pierre and Miquelon , the French Southern and Antarctic Lands and Akrotiri and Dhekelia ) . Together this direct usage of the euro outside the EU affects nearly 3 million people . 

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 As of January 2014 , and since the introduction of the euro , interest rates of most members countries ( particularly those with a weak currency ) , have decreased . The countries whose interest rates fell most as a result of the adoption of the euro are Greece , Ireland , Portugal , Spain , and Italy . These very countries have had the most serious sovereign financing problems . 

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 The euro ( sign : € ; code : EUR ) is the official currency of the eurozone , which consists of 19 of the 28 member states of the European Union : Austria , Belgium , Cyprus , Estonia , Finland , France , Germany , Greece , Ireland , Italy , Latvia , Lithuania , Luxembourg , Malta , the Netherlands , Portugal , Slovakia , Slovenia , and Spain . The currency is also officially used by the institutions of the European Union and four other European countries , as well as unilaterally by two others , and is consequently used daily by some 337 million Europeans as of 2015 . Outside of Europe , a number of overseas territories of EU members also use the euro as their currency . 

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 The euro is the sole currency of 19 EU member states : Austria , Belgium , Cyprus , Estonia , Finland , France , Germany , Greece , Ireland , Italy , Latvia , Lithuania , Luxembourg , Malta , the Netherlands , Portugal , Slovakia , Slovenia , and Spain . These countries constitute the " eurozone " , some 332 million people in total as of 2013 . 

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 Outside the eurozone , a total of 22 countries and territories that do not belong to the EU have currencies that are directly pegged to the euro including 13 countries in mainland Africa ( CFA franc ) , two African island countries ( Comorian franc and Cape Verdean escudo ) , three French Pacific territories ( CFP franc ) and three Balkan countries , Bosnia and Herzegovina ( Bosnia and Herzegovina convertible mark ) , Bulgaria ( Bulgarian lev ) and Macedonia ( Macedonian denar ) . On 28 July 2009 , São Tomé and Príncipe signed an agreement with Portugal which will eventually tie its currency to the euro . Additionally , the Moroccan dirham is tied to a basket of currencies , including the Euro and the US dollar , with the Euro given the highest weighting . 
