empire
monarchy whose head is an emperor, higher than kingdom
Serbian Empire
1346–1371 empire in the Balkan Peninsula
Romanov Empire
micronation created in 2011
Persian Empire
series of historical empires existing until year 1979 approximately at the place of the state Iran
German Empire
German nation-state in Central Europe from 1871 to 1918
empire
geographically extensive group of states and peoples united and ruled either by a central authority or a central figure