Duchy of Gascony
State · 768–1065 CE · at its largest around 778 CE
A duchy of the Vascons in south-western France between the Garonne and the Pyrenees, later merged with the Duchy of Aquitaine.
On its lands while it lasted
- Aínsa (c. 825 CE): Capital of Kingdom of Sobrarbe (825–829).
- Jaca (c. 830 CE): Capital of County of Aragon (830–921).
- La Seu d'Urgell (c. 870 CE): Capital of County of Urgell (870–1413).
- Sort (c. 875 CE): Capital of County of Pallars (875–1011), County of Pallars Sobirà (1040–1201).
- Benabarre (c. 900 CE): Capital of County of Ribagorza (900–1084).
- Roda de Isábena (c. 900 CE): Capital of County of Ribagorza (900–1084).
- Tremp (c. 1040 CE): Capital of County of Pallars Jussà (1040–1191).
More on Wikipedia.