France
- Altdorf, today Altorf, municipality of the department of Lower Rhine (Alsace)
Germany
- Altdorf, common market in the rural district of Landshut (Bavaria)
- Altdorf, municipality in the rural district of Böblingen (Baden-Württemberg)
- Altdorf, municipality in the rural district of Esslingen (Baden-Württemberg)
- Altdorf, name by which the German city of was known until 1865 Weingarten (District of Ravensburg, Baden-Württemberg)
- Altdorf, municipality of the rural district of Southern Weinstraße (Rhineland-Palatinate)
- Altdorf bei Nürnberg, city in the rural district of Nürnberger Land (Bavaria)
Slovakia
- Altdorf, today Spišská Stará Ves, city in the region of Prešov (district of Kežmarok)
Switzerland
- Altdorf, municipality of Canton of Uri
- Altdorf, municipality of Canton of Schaffhausen
- Altdorf, today Bassecourt, municipality of Canton of Jura (district of Delémont)