Realm · 825–921
Kingdom of Brittany
Kingdom of Brittany appears on the map from 825 to 921. At its greatest recorded extent, in 870, it covered about 47,425 km².
See Kingdom of Brittany on the map in 870

- On the map
- 825–921
- Greatest extent
- 870, about 47,425 km²
- Read more
- Wikipedia: Kingdom of Brittany · Wikidata Q771193
Territory through time
| Years | Area drawn |
|---|---|
| 825–859 | 24,213 km² |
| 860–865 | 40,597 km² |
| 866–869 | 41,556 km² |
| 870–879 | 47,425 km² |
| 880–881 | 45,759 km² |
| 882–887 | 45,804 km² |
| 888–895 | 45,759 km² |
| 896–910 | 45,804 km² |
| 911–921 | 45,804 km² |