22 countries in Europe
... that 22 countries in Europe use the Euro, including several that are not part of the European Union?
... that <b id="mwDX8"><a href="./List_of_currencies_in_Europe" id="mwDYA" rel="mw:WikiLink" title="List of currencies in Europe">22 countries in Europe</a></b> use the <a href="./Euro" id="mwDYE" rel="mw:WikiLink" title="Euro">Euro</a>, including several that are not part of the <a href="./European_Union" id="mwDYI" rel="mw:WikiLink" title="European Union">European Union</a>?