Leithum, Luxembourg is a populated place in Diekirch

Diekirch

Diekirch is a commune with city status in north-eastern Luxembourg, capital city of the canton Diekirch and the district of Diekirch. The city is situated on the banks of the Sauer river....

, at one end of the border that was established in 1839 between Belgium

Belgium

Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

 and Luxembourg

Luxembourg

Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...

 at the Treaty of London.

Located at the north-east corner of Luxembourg, Leithum's border crossing connects it by direct roads to both Oberhausen and Stubach 1 kilometer away in Belgium's Hohes Venn-Eifel nature park, and there across the German border to Welchenhausen and Stupbach, respectively.

50.16083°N 6.108889°E