Which non-EU microstate is a neighbour of the country which held an immigration referendum in February 2014?
Switzerland–European Union relations The relations between Switzerland and the European Union (EU) are framed by a series of bilateral treaties whereby the Swiss Confederation has adopted various provisions of European Union law in order to participate in the Union's single market. All but one (the microstate Liechtenstein) of Switzerland's neighbouring countries are EU member states.
Slovakia Slovakia ( ; Slovak: "Slovensko" ] ), officially the Slovak Republic (Slovak: "Slovenská republika" ,    ), is a landlocked country in Central Europe. It is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south. Slovakia's territory spans about 49000 km2 and is mostly mountainous. The population is over 5 million and comprises mostly ethnic Slovaks. The capital and largest city is Bratislava. The official language is Slovak.