Explanation: Asoka continued the tradition of friendly relations with the Greek kingdoms.

• His Rock Edict (13) mentions five yona kings, identified as Antiochus II Theos of Syria, Ptolemy II Philadelphus of Egypt, Antigonus Gonatas of Macedonia, Magas of Cyrene and Alexander of Corinth.
• This also indicates that the relations of Asoka with the Greeks extended beyond West Asia well into the heartland of Greece.
• We now come across the term yavana (or yona) for Greeks, which was used throughout India. The word was derived from the Persian word yauna, which referred to Greeks.
• In India the term yavana was used to denote all persons of Greek origin, including those of mixed race and even the Phoenicians.

Source: Tamil Nadu NCERT