According to Ezekiel 48:35, what will the city's name be from that day on?

Answer: The LORD Is There

Ezekiel's book ends with the new city's name: THE LORD IS THERE.

“The perimeter of the city will be 18,000 cubits, and from that day on the name of the city will be: THE LORD IS THERE.””— Ezekiel 48:35 (BSB)