I-Prussia kwakuyisifunda somlando enkabeni nasempumalanga yeYurophu, esasikhona kusukela ngekhulu le-13 kuze kube ngu-1947. Igama elithi "Prussia" lisuselwa olimini lwesiPrussia Esidala futhi lisho "izwe lamaPrussia." Isimo sasePrussia sadlala indima ebalulekile emlandweni waseYurophu, ikakhulukazi ngekhulu le-18 nele-19, lapho siba umbuso omkhulu eYurophu ngaphansi kobuholi bobukhosi bakwaHohenzollern. Namuhla, igama elithi "Prussia" lisetshenziswa kakhulu ezimweni zomlando namasiko, futhi libhekisela esimweni sangaphambili kanye nefa laso.