Ezekiel 48:20

All the oblation shall be five and twenty thousand by five and twenty thousand: ye shall offer the holy oblation foursquare, with the possession of the city.

Cross-reference

Ezekiel 42:20 also records a square measurement for the temple area, reinforcing the pattern of a holy square within the same prophetic book.

Ezekiel 45:5 gives the Levites' portion as a 25,000 x 10,000 cubit rectangle, a different dimension from the square whole in 48:20 but part of the same district.

Revelation 21:16 describes the New Jerusalem as a perfect square, mirroring the square holy district in Ezekiel's vision of restored worship.