Realm · 1422–1618
Electorate of Brandenburg
Electorate of Brandenburg appears on the map from 1422 to 1618. At its greatest recorded extent, in 1579, it covered about 44,307 km².
One of the realms of Prussia (Brandenburg-Prussia). Prussia became a duchy in 1525, when Albert of Hohenzollern, Grand Master of the Teutonic Knights, turned Lutheran and secularised their lands. In 1618 it passed to his relatives, the electors of Brandenburg, and Frederick William the Great Elector forged their scattered territories into a disciplined state with a standing army.
See Electorate of Brandenburg on the map in 1579

- On the map
- 1422–1618
- Greatest extent
- 1579, about 44,307 km²
- Part of
- Holy Roman Empire
Territory through time
| Years | Area drawn |
|---|---|
| 1422–1430 | 40,967 km² |
| 1431–1458 | 41,015 km² |
| 1459–1462 | 42,009 km² |
| 1463–1474 | 42,293 km² |
| 1475–1491 | 42,250 km² |
| 1492–1528 | 42,293 km² |
| 1529–1551 | 42,314 km² |
| 1552–1563 | 42,293 km² |
| 1564–1571 | 42,314 km² |
| 1572–1578 | 44,263 km² |
| 1579–1587 | 44,307 km² |
| 1588–1611 | 44,242 km² |
| 1612–1618 | 44,242 km² |