Thayer's Greek Lexicon

 Abilene = "grassy meadow"
1. a region of Syria between Lebanon and Hermon towards Phoenicia, 18
miles (29 km) from Damascus and Heliopolis in a
remarkable gorge called "Suk Wadi Barada".

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A local tradition (based on the Koran) states that Cain buried his
brother Abel here, whose tomb is shown in a rock.