60 selected
- Paderborn
- Pakistan
- Pala Empire
- Palatinate-Simmern
- Palatinate-Veldenz
- Palau
- Palembang
- Palestine
- Pamphylia
- Panama
- Papal State - Ancona
- Papal State - Bologna
- Papal State - Ferrara
- Papal State - Gubbio
- Papal State - San Severino
- Papal States
- Paphlagonia
- Papua New Guinea
- Paraguay
- Parma
- Parthian Empire
- Passau
- Pegnitz
- Peine
- Penang
- Perpignan
- Peru
- Perzische Rijk
- Pessac
- Pfalz (Electorate)
- Pfalz-Birkenfeld-Zweibrücken
- Pforzheim
- Phalsbourg & Lixheim
- Philippines
- Phoenicia
- Phrygia
- Piacenza
- Piedmont
- Pinneberg
- Pirmasens
- Pisa
- Pisidia
- Pitcairn Islands
- Poland
- Polzin
- Pomerania
- Pomerania-Wolgast
- Pondichery
- Pontos
- Portugal
- Portuguese Indies
- Posen
- Pössneck
- Pratihara
- Prenzlau
- Prince Edward Island
- Provisional Government of China
- Prussia
- Pudukkottai
- Puerto Rico
- Not filled in