Liechtenstein, roughly triangular in shape, is a landlocked country situated in the Rhine River Valley. The fourth-smallest country in Europe, it is bordered by the Austrian province of Vorarlberg to the N and E , the Swiss canton of Graubünden to the S , and the Rhine River and the Swiss canton of St. Gallen to the W , with a total boundary length of 76 km (47 mi).
The principality has an area of 160 sq km (62 sq mi) and extends 24.5 km (15.2 mi) N-S and 9.4 km (5.8 mi) E-W . Comparatively, the area occupied by Liechtenstein is about 0.9 times the size of Washington, D.C.
Liechtenstein's capital city, Vaduz, is located in the western part of the country.