Deep was formerly part of the German Empire. In the German Empire, the place was called Deep.
The place is now called Mrzeżyno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Deep | German Empire | Greifenberg i.Pom. | 1939 |
| Mrzeżyno | Under Polish administration | Gryfice | 1945 |
| Mrzeżyno | Poland | Szczecin | 1992 |