Numbers 34:6

And as for the western border, ye shall even have the great sea for a border: this shall be your west border.
— Numbers 34:6, King James Version

In other translations

World English Bible (WEB)

For the western border, you shall have the great sea and the border [of it]: this shall be your west border.

American Standard Version (ASV)

And for the western border, ye shall have the great sea and the borderthereof: this shall be your west border.

Young's Literal Translation (YLT)

'As to the west border, even the great sea hath been to you a border; this is to you the west border.