He is associated with the fame of his great contemporary Rab (Abba Araka q.v.).
To Italy was assigned the northern half of the Dalmatian mainland as far as Cape Planka, and all the islands save Krk (Veglia) and Rab (Arbe) in the N., Solta and Brazza in front of Spalato, and the few which lie to the south of Meleda.
Abba bar Kahana, who was confused with a predecessor, Rab Kahana.
Inscriptions of the 3rd and 2nd centuries B.C. mention a Rab (chief) in Sidon, Cyprus and Gaulus (Gozo); what his position was it is difficult to say; in the colonies he may have been a district governor.