OriginsThe Olazaran surname is predominantly of Basque origin and is commonly found in the Basque Country, which includes regions in Spain and France.
Geographic DistributionThe Olazaran surname is most popular in Spain, particularly in the Basque Country. It is also found in smaller numbers in France, specifically in the regions bordering the Basque Country.
Migration and ImmigrationDue to its regional significance, the Olazaran surname has historically been associated with the Basque people and their migration within Spain and France. There is limited information available on international migration of individuals with this surname.