Koschik was formerly part of the German Empire. In the German Empire, the place was called Košík.
The place is now called Košík and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Koschik | Austro-Hungary | Jitschin | before the Treaty of Saint-Germain |
| Košík | Austro-Hungary | Jitschin | before the Treaty of Saint-Germain |
| Košík | Czechoslovakia | Jičín | after the Treaty of Saint-Germain |
| Koschik | German Empire | Jitschin | 1939 |
| Košík | German Empire | Jitschin | 1939 |
| Košík | Czechoslovakia | Jičín | 1945 |
| Košík | Czechoslovakia | Střední Čechy | 1992 |