Croats and Serbs and the Kingdom of Serbia, both later absorbed into the Kingdom of Serbs, Croats and Slovenes Greater Romania Kingdom of Italy Republic of China (former Austro-Hungarian concession of Tianjin) the short-lived Ruthenian (Ukrainian and Rusyn) proto-states of West Ukrainian People's Republic (later absorbed into Ukrainian People's Republic), Hutsul Republic, Lemko Republic, Komancza Republic and the Galician Soviet Socialist Republic; all were ultimately absorbed mostly into Poland, but also into Hungary, Czechoslovakia, Romania and Yugoslavia. The Principality of Liechtenstein, which had formerly looked to Vienna for protection and whose ruling house held sizable real estate in Cisleithania, formed a customs and defense union with Switzerland, and adopted the Swiss currency instead of the Austrian. In April 1919, Vorarlberg – the westernmost province of Austria – voted by a large majority to join Switzerland; however, both the Swiss and the Allies disregarded this result. Present The following present-day countries and parts of countries were within the boundaries of Austria–Hungary when the empire was dissolved. Some other provinces of Europe had been part of the Habsburg monarchy at one time before 1867. Empire of Austria (Cisleithania): Austria (except Burgenland without Sopron) Czech Republic (except the Hlučínsko area) Slovenia (except Prekmurje) Italy (Trentino, South Tyrol, parts of the province of Belluno and small portions of Friuli-Venezia Giulia) Croatia (Dalmatia, Istria) Poland (voivodeships of Lesser Poland, Subcarpathia, southernmost part of Silesia (Bielsko and Cieszyn)) Ukraine (oblasts of Lviv, Ivano-Frankivsk, Ternopil (except its northern corner) and most of the oblast of Chernivtsi) Romania (county of Suceava) Montenegro (bay of Boka Kotorska, the coast and the immediate hinterland around the cities of Budva, Petrovac and Sutomore) Kingdom of Hungary (Transleithania): Hungary Slovakia Austria (Burgenland except Sopron) Slovenia (Prekmurje) Croatia (Croatian Baranja and Međimurje county, Fiume as corpus separatum along with Slavonia and Central Croatia were not part of Hungary proper, the latter two were part of the sovereign Kingdom of Croatia-Slavonia) Ukraine (oblast of Zakarpattia) Romania (region of Transylvania, Partium and parts of Banat, Crișana, and Maramureș) Serbia (autonomous province of Vojvodina and northern Belgrade region) Poland (Polish parts of Orava and Spiš) Austro-Hungarian Condominium Bosnia and Herzegovina (the villages of Zavalje, Mali Skočaj and Veliki Skočaj including the immediate surrounding area west of the city of Bihać) Montenegro (Sutorina – western part of the Municipality of Herceg Novi between present borders with Croatia (SW) and Bosnia and Herzegovina (NW), Adriatic coast (E) and