Abbott-Smith Manual Greek Lexicon
Ἑλλάς (G1671)
1 Ἑλλάς , -άδος, ἡ [in LXX: Is 66:19 , Ez 27:13 ( יָוָן ), I Mac 1:1 8:9 * ;] with varying usage as to geographical limits; in NT = ' Αχαία (cf. Ac 18:12 ), Greece : Ac 20:2 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain