Realm · 947–1491
Duchy of Brittany
Duchy of Brittany appears on the map from 947 to 1491. At its greatest recorded extent, in 1250, it covered about 37,409 km².
See Duchy of Brittany on the map in 1250

- On the map
- 947–1491
- Greatest extent
- 1250, about 37,409 km²
- Part of
- Kingdom of France
- Read more
- Wikipedia: Duchy of Brittany · Wikidata Q71747
Territory through time
| Years | Area drawn |
|---|---|
| 947–989 | 31,988 km² |
| 990–1146 | 37,206 km² |
| 1147–1151 | 37,363 km² |
| 1152–1168 | 37,387 km² |
| 1169–1187 | 37,320 km² |
| 1206–1219 | 37,320 km² |
| 1220–1249 | 37,387 km² |
| 1250–1293 | 37,409 km² |
| 1294–1332 | 37,363 km² |
| 1333–1343 | 37,387 km² |
| 1344–1362 | 30,270 km² |
| 1363–1401 | 30,246 km² |
| 1402–1421 | 37,363 km² |
| 1422–1428 | 37,205 km² |
| 1440–1452 | 37,363 km² |
| 1453–1481 | 37,364 km² |
| 1482–1486 | 37,387 km² |
| 1487–1491 | 37,387 km² |