How Do I Know If The Name Charres Is Found In Basque Region In Spain?

Could not find much in Spain but: Brief Charres Family History -->

Spelling variations of this family name include: Charets. -->

First found in Brittany (two modern-day régions of France), where this illustrious family was anciently seated. -->

Some of the first settlers of this family name or some of its variants were: Tienne Charets, who married Catherine Bissot in Quebec City in 1670; Jacques Charets, who married Jeanne Dubois in Lvis in 1693; tienne Charets, a merchant, who married Anne-Thrse Duroy in Quebec City in 1713...