Where does “Navarra” come from?

Navarra (Spanish) comes from Basque herri, from Proto-Basque *(h)eRi.

Ancestry of “Navarra”, step by step

Step	Language	Word	Meaning
1	Basque	herri	village, town; people, nation; country
2	Proto-Basque	*(h)eRi	—

Navarra — Etymology, Origin & Word History | Etymology Explorer