The Arrechi (Greek: Ἀρρηχοί) were an ancient tribe of the Maeotae, on the east coast of the Palus Maeotis. (Strabo xi. 2. 11; Steph. B. s. v.; Plin. vi. 7.) Strabo places them among the Maeotae, Sindi, Dandarii, Toreatae, Agri, Tarpetes, Obidiaceni, Sittaceni, Dosci, and Aspurgiani, among others. (Strab. l.c.)
They are probably the same as the Arichi (Greek: Ἀριχοί) of Ptolemy (v. 9. § 18).
The Arrechi - is one of the Maeotae tribes, who lived in the first millennium b.c. on the east and the south-eastern coast of the Azov sea. Russian scientists, archeologists, historians and ethnographers in the Soviet period it was concluded - Maeotae this is one of the names of the tribes Adyghe people (Circassians).