Which non-EU microstate is a neighbour of the country which held an immigration referendum in February 2014?
Swiss immigration referendum, February 2014 The Swiss federal popular initiative "against mass immigration" (German: "Eidgenössische Volksinitiative "Gegen Masseneinwanderung"" , French: "Initiative populaire « Contre l'immigration de masse »" , Italian: "Iniziativa popolare "Contro l'immigrazione di massa"" ) was a referendum that aimed to limit immigration through quotas, as it had been prior to the bilateral treaties between Switzerland and the European Union launched 2002.
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.