Principality of Liechtenstein Fürstentum Liechtenstein (German) Flag Coat of arms Motto: "Für Gott, Fürst und Vaterland" "For God, Prince, and Fatherland" Anthem: Oben am jungen Rhein (English: "High on the Young Rhine") Location of Liechtenstein (green) in Europe (dark grey) – [Legend] Capital Vaduz Largest municipality Schaan 47°10′00″N 9°30′35″E﻿ / ﻿47.16667°N 9.50972°E﻿ / 47.16667; 9.50972 Official languages German Religion Roman Catholicism Demonym(s) Liechtensteiner Government Unitary parliamentary constitutional monarchy • Prince Hans-Adam II • Regent Alois • Prime Minister Adrian Hasler Legislature Landtag Independence as principality • Union between Vaduz and Schellenberg 23 January 1719 • Treaty of Pressburg 12 July 1806 • Separation from German Confederation 24 August 1866 Area • Total 160 km2 (62 sq mi) (191st) • Water (%) 2.7[1] Population • 2017 estimate 38,547[2] (190th) • Density 227/km2 (587.9/sq mi) (57th) GDP (PPP) 2013 estimate • Total $5.3 billion [3] (149th) • Per capita $98,432[2][4][5] (2nd) GDP (nominal) 2010 estimate • Total $5.155 billion[4][5] (147th) • Per capita $143,151[2][4][5] (2nd) HDI (2017) 0.916[6] very high · 17th Currency Swiss franc (CHF) Time zone UTC+1 (CET) • Summer (DST) UTC+2 (CEST) Driving side right Calling code +423 ISO 3166 code LI Internet TLD .li