Luxembourg an independent state under the personal possession of William I of the Netherlands with a Prussian garrison to guard the city against another invasion from France. In 1839, following the turmoil of the Belgian Revolution, the purely Oil-speaking part of Luxembourg was ceded to Belgium and the Luxembourgish-speaking part (except the Arelerland, the area around Arlon) became what is the present state of Luxembourg. Luxembourg is a founding member of the European Union, OECD, United Nations, NATO, and Benelux. The city of Luxembourg, which is the country's capital and largest city, is the seat of several institutions and agencies of
Tourism in Luxembourg the Netherlands, Belgium and Germany with substantial numbers from France, the United Kingdom and the United States. Camping is popular in Luxembourg, particularly with the Dutch, who camp for much longer than other nationalities, especially in the Ardennes and the Mullerthal. Bordered by Belgium, France, and Germany, Luxembourg has a population of over half a million people in an area of . A representative democracy and constitutional monarchy ruled by a Grand Duke, it is the world's only remaining Grand Duchy. The country has a highly developed economy, with the world's highest GDP per capita. Its strategic importance dates back