The west side also shall be the great sea from the border, till a man come over against Hamath. This is the west side. The great sea - The Mediterranean.
From the border - The southern border, mentioned Ezekiel 47:19.
Related Commentaries of Ezekiel 47:20
Ezekiel 47:20
20 The west side also shall be the great sea from the border, till a man come over against Hamath. This is the west side.