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.
2014 referendum There have been several referendums in 2014