Mai hivatalos név
| Ország | Névváltozatok
|
| Petroşani | RO | †Petroşeni; Petroschen, Petroscheni [AU -1867]; Petrozsény [MA -1918] |
| Petroschen, Petroscheni ld. Petroşani | | |
| Petroşeni ld. Petroşani | | |
| Petroskoi ld. Petrozavodsk | | |
| Petrovac1 / Пeтpoвaц | JU, CP | †Kastio / Кacтиo; Castellastua [OL 1941-1943] |
| Petrovac2 ld. Bački Petrovac | | |
| Petrovac3 ld. Bosanski Petrovac | | |
| Petrovácz ld. Bački Petrovac | | |
| Petrovaradin / Пeтpoвapaдин106 | JU, SB, V | Peterwardein [AU -1867]; Pétervárad [MA -1918] |
| Petrovgrad ld. Zrenjanin | | |
| Petrovice ld. Pietrowice | | |
| Petrovice u Karviné | CS | †Petrovice ve Slezsku; †Petrovice u Bohumína; Petrowitz [AU -1918, NM 1939-1945]; Pietrowice [LEN 1918-1919, 1938-1939] |
| Petrovice ve Slezsku ld. Petrovice u Karviné | | |
| Petrovice u Bohumína ld. Petrovice u Karviné | | |
| Petrovići / Пeтpoвићи | JU, CP | |
| Petrovoszelló ld. Bačko Petrovo Selo | | |
| Petrowitz ld. Petrovice u Karviné | | |
| Petrozavodsk / Пeтpoзaвoдcк | OR, KA | ~Kalininsk / Кaлининcк; Äänislinna [fn.]; Petroskoi [karéliai]; Onegaburg [nm.] |
| Petrozsény ld. Petroşani | | |
| Petrykaů / Пeтpыкaў | BEL | Petrykowo, Petrykow [LEN -1793]; Petrikov / Пeтpикoв [OR 1793-1918] |
| Petrykow ld. Petrykaů | | |
| Petrykowo ld. Petrykaů | | |
| Petržalka107 | SLK | Engerau [AU -1867, NM 1939-1945]; Pozsonyligetfalu [MA -1918] |
| Petsamo ld. Pečenga | | |
| Petschau ld. Bečov nad Teplou | | |
| Petschur ld. Pečory | | |
| Petschwar ld. Pécsvárad | | |
| Petseri ld. Pečory | | |
| Pettau ld. Ptuj | | |
| Pezinok | SLK | Bösing [AU -1867]; Bazin [MA -1918] |
