The District of Diekirch was one of three districts of the Grand Duchy of Luxembourg. Immediately prior to its abolition on 3 October 2015, it contained five cantons divided into 43 communes:
- Clervaux
- Diekirch
- Redange
- Vianden
- Wiltz
Hosingen is a small village and former commune in northern Luxembourg.
Eschweiler is a small town in northern Luxembourg. It is located in the canton of Wiltz, which is part of the district of Diekirch.
Diekirch is a canton in the north of Luxembourg. Its capital is Diekirch. Neither the canton, town, nor commune of Diekirch should be confused with the former district of Diekirch, one of three administrative units in Luxembourg abolished in October 2015.
Clervaux is a canton in the north of Luxembourg. Its capital is Clervaux.
Clervaux is a commune and town in northern Luxembourg, administrative capital of the canton of Clervaux.
Wahl is a former commune and small village in western Luxembourg, in the canton of Redange.
Luxembourg's 100 communes conform to LAU Level 2 and are the country's lowest administrative divisions.
Consthum is a village and a former commune in northern Luxembourg, in the canton of Clervaux.
Ermsdorf is a village and former commune in eastern Luxembourg. It is part of the canton of Diekirch, which is part of the district of Diekirch.
Feulen is a commune in central Luxembourg. It is part of the canton of Diekirch, which is part of the district of Diekirch. The commune's administrative centre is Niederfeulen.
Heiderscheid is a small town in northwestern Luxembourg. It is part of the canton of Wiltz, which is part of the district of Diekirch.
Neunhausen is a village in north-western Luxembourg. It is part of the canton of Wiltz, which is part of the district of Diekirch.
Bous is a former commune and small town in south-eastern Luxembourg. It is part of the canton of Remich.
Waldbredimus is a small town and former commune in south-eastern Luxembourg. It is part of the canton of Remich, which is part of the district of Grevenmacher. The commune's administrative centre is Trintange.
Boevange-sur-Attert is a small town in central Luxembourg, in the canton of Mersch. It is situated on the river Attert.
Fouhren is a small town in the commune of Tandel, in north-eastern Luxembourg. As of 2005, the town has a population of 353.
Bastendorf is a small town in the commune of Tandel, in north-eastern Luxembourg. As of 2005, the town has a population of 371.
Asselborn is a small town in the commune of Wincrange, in northern Luxembourg. As of 2024, the town has a population of 454.
Parc Hosingen is a commune in northern Luxembourg, in the canton of Clervaux. It lies on the border with Germany.
Luxembourg 
