See Rev 21:1–7 (cf. 2 Peter 3:13; Isaiah 65:17 e Isaiah 66:22). The twenty-first chapter of the Book of Revelation introduces the final state of perfection. In symbolic and visual language, God allows John to see the glory and beauty of the inheritance of His people.
The term New Jerusalem occurs twice in the New Testament, in verses Rev 3:12 and Rev 21:2 of the Book of Revelation.