Numbers 34:6

6 “ ‘Your western boundary will be the coast of the Mediterranean Sea. This will be your boundary on the west.

Read Numbers 34:6 Using Other Translations

And as for the western border, ye shall even have the great sea for a border: this shall be your west border.
"For the western border, you shall have the Great Sea and its coast. This shall be your western border.
“Your western boundary will be the coastline of the Mediterranean Sea.

What does Numbers 34:6 mean?

John Gill's Exposition of the Bible
Numbers 34:6

And as for the western border
Of the land of Canaan:

you shall even have the great sea for a border;
and no other, meaning the Mediterranean sea, which lies west of the land of Judea; Aben Ezra calls it the Spanish sea: it has the name of "great", in comparison of some in the land of Canaan, as the salt sea, and the sea of Tiberias:

this shall be your west border;
namely, the Mediterranean sea.

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