MultiTree:

Name: Basque Alternate Names: Vaskisk; Vascuense; Euskera Spoken in: Mexico, USA, Australia, Spain, Philippines, Costa Rica Code: eus Code Authority: ISO 639-3 Code Standard: SIL Families: Basque Parent Subgroup: Basque (basq) Child Dialect Group: Basque, Navarro-Labourdin; Navarro-Labourdin (eus-bqe) Child Dialects: Alto Navarro Meridional (eus-alt) Alto Navarro Septentrional; High Navarrese; Upper Navarran (eus-alm) Avalan (eus-ava) Biscayan; Vizcaino (eus-bis) Guipuzcoan; Guipuzcoano; Gipuzkoan (eus-gui) Roncalese; Basque (Roncalese) (eus-ron) Basque, Souletin; Basque (Souletin); Souletin; Souletino; Suletino; Xiberoera; Zuberoera; Suberoan (eus-bsz)