Luxembourg is a small country located in the Low Countries, part of North-West Europe It bordersBelgium (148 kilometres) to the west and north,France (73 km) to the south, and Germany (138 km) to the east. Luxembourg is landlocked, separated from the North Sea by Belgium.
The topography of the country is divided very clearly between the hilly Oesling of the northern third of the Grand Duchy and the flat Gutland, which occupies the southern two-thirds. The country's longest river is the Sauer, which is a tributary of the Moselle, the basin of which includes almost all of Luxembourg's area. Other major rivers include the Alzette in the south and the Wiltz in the north.
The capital, and by far the largest city, isLuxembourg City, which is located in the Gutland, as are most of the country's main population centres, including Esch-sur-Alzette, Dudelange, andDifferdange. Besides Luxembourg City, the other main towns are primarily located in the southern Red Lands region, which lines the border between Luxembourg and France to the south.