Poříčí was formerly part of the German Empire. In the German Empire, the place was called Parschnitz.
The place is now called Poříčí (Trutnov-Poříčí) and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Parschnitz | Austro-Hungary | Trautenau | before the Treaty of Saint-Germain |
| Poříčí | Austro-Hungary | Trautenau | before the Treaty of Saint-Germain |
| Poříčí | Czechoslovakia | Trutnov | after the Treaty of Saint-Germain |
| Parschnitz | Czechoslovakia | Trutnov | after the Treaty of Saint-Germain |
| Parschnitz | German Empire | Trautenau | 1938 |
| Poříčí (Trutnov-Poříčí) | Czechoslovakia | Trutnov | 1945 |
| Poříčí (Trutnov-Poříčí) | Czechoslovakia | Trutnov | 1992 |
| Poříčí (Trutnov-Poříčí) | Czech Republic | Trutnov | 1993 |