Answer,
28
Explanation,
European union has 28 member nations.They include Finland, Portugal Bulgaria, Denmark, Cyprus, Czech Republic, Croatia, Estonia, Austria,Latvia, Germany, Greece, Hungary, Malta, Ireland, France, Lithuania, Luxembourg, Italy, the Netherlands, Poland,Belgium, Romania, Spain, Slovakia, Slovenia, Sweden and the United Kingdom.European union Aim is to Unite Europe to improve trade among member countries.It capital is located in Brussels Belgium.