Echternach (German pronunciation:[ˈɛçtɐnax], French pronunciation:[ɛʃtəʁnax]; Luxembourgish: Iechternach[ˈi̯əɕtɐnɑχ] or locally Eechternoach) is a commune with town status in the canton of Echternach, in eastern Luxembourg. Echternach lies near the border with Germany, and is the oldest town in Luxembourg.
Its total length is 95 km (59 mi), and its basin area is 889 km (343 sq mi). The Prüm rises in the Schneifel hills, north of the town of Prüm, close to the border with Belgium. It flows southward through Prüm, Waxweiler, Holsthum, and Irrel. The Prüm discharges to the Sauer in Minden, on the border with Luxembourg, three kilometres east of Echternach. The largest tributary of the Prüm is the Nims.
The Sauer (German and Luxembourgish, German pronunciation:[ˈzaʊɐ], Luxembourgish:[ˈzɑʊ̯ɐ]) or Sûre (French, French pronunciation:[syʁ]) is a river in Belgium, Luxembourg and Germany. A left tributary of the Moselle, its total length is 173 kilometres (107 mi).
The Abbey of Echternach is a Benedictinemonastery in the town of Echternach, in eastern Luxembourg. The abbey was founded in the 7th century by St Willibrord, the patron saint of Luxembourg. For three hundred years, it benefited from the patronage of a succession of rulers, and was the most powerful institution in Luxembourg.