Ezekiel 48:9

"The district that you shall set apart for the LORD shall be twenty-five thousand cubits in length and ten thousand in width.

Surrounding context

48:8 by the border of Judah, from the east side to the west, shall be the district which you shall set apart, twenty-five thousand cubits in width, and in length the same as one of the other portions, from the east side to the west, with the sanctuary in the center.

48:9 "The district that you shall set apart for the LORD shall be twenty-five thousand cubits in length and ten thousand in width.

48:10 To these--to the priests--the holy district shall belong: on the north twenty-five thousand cubits in length, on the west ten thousand in width, on the east ten thousand in width, and on the south twenty-five thousand in length. The sanctuary of the LORD shall be in the center.

Translation and sources