Abkhazia is Georgian (Mingrelian) word : ABXA ("back", "hill") and ZANI ("Mingrelian"), i. e. ABXAZANI ("hiller Mingrelian"). After XV c. the North caucasian ABAZE tribe came down in AbkhazeTi and has assimilated Anciant Abkhazians : nowodays 80 % Abkhazs has Georgian Surnames, origin.