Smidarská Lhota was formerly part of the German Empire. In the German Empire, the place was called Smidarská Lhota.
The place is now called Smidarská Lhota and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Lhota Smidar | Austro-Hungary | Neubydžow | before the Treaty of Saint-Germain |
| Smidarská Lhota | Austro-Hungary | Neubydžow | before the Treaty of Saint-Germain |
| Smidarská Lhota | Czechoslovakia | Nový Bydžov | after the Treaty of Saint-Germain |
| Lhota-Smidar | German Empire | Neu-Bidschow | 1939 |
| Smidarská Lhota | German Empire | Neu-Bidschow | 1939 |
| Smidarská Lhota | Czechoslovakia | Nový Bydžov | 1945 |
| Smidarská Lhota | Czechoslovakia | Východní Čechy | 1992 |