Lehi-Nephi, a chief city in the land of the same name (also called the land of Nephi), it was first settled in the sixth century B.C.
Mosiah sends expedition to find those who had returned to land of Lehi-Nephi, Mosiah 7:1–4
Zeniff is allowed to possess land, Mosiah 9:1, 6
Zeniff repairs walls of city of Lehi-Nephi, Mosiah 9:8
1 And now, it came to pass that after king Mosiah had had continual peace for the space of three years, he was desirous to know concerning the people who went up to dwell in the land of Lehi-Nephi, or in the city of Lehi-Nephi; for his people had heard nothing from them from the time they left the land of Zarahemla; therefore, they wearied him with their teasings.
2 And it came to pass that king Mosiah granted that sixteen of their strong men might go up to the land of Lehi-Nephi, to inquire concerning their brethren.
3 And it came to pass that on the morrow they started to go up, having with them one Ammon, he being a strong and mighty man, and a descendant of Zarahemla; and he was also their leader.
4 And now, they knew not the course they should travel in the wilderness to go up to the land of Lehi-Nephi; therefore they wandered many days in the wilderness, even forty days did they wander. (Mosiah 7)
1 I, Zeniff, having been taught in all the language of the Nephites, and having had a knowledge of the land of Nephi, or of the land of our fathers’ first inheritance, and having been sent as a spy among the Lamanites that I might spy out their forces, that our army might come upon them and destroy them—but when I saw that which was good among them I was desirous that they should not be destroyed. (Mosiah 9)
8 And we began to build buildings, and to repair the walls of the city, yea, even the walls of the city of Lehi-Nephi, and the city of Shilom. (Mosiah 9)