Liechtenstein, officially the Principality of Liechtenstein (i/?l?kt?nsta?n/ LIK-t?n-styn; German: Fürstentum Liechtenstein, German pronunciation: [?fstn?tu?m ?l?çtnta?n]), is a doubly landlocked alpine country in Central Europe, bordered by Switzerland to the west and south and by Austria to the east and north. Its area is just over 160 square kilometres (62 square miles), and it has an estimated population of 35,000. Its capital is Vaduz. The biggest town is Schaan. Liechtenstein has the highest gross domestic product per person in the world when adjusted by purchasing power parity. Liechtenstein also has one of the lowest unemployment rates in the world at 1.5%.