According to The Book of Mormon

Book of Mormon

The Book of Mormon is a sacred text of the Latter Day Saint movement that adherents believe contains writings of ancient prophets who lived on the American continent from approximately 2600 BC to AD 421. It was first published in March 1830 by Joseph Smith, Jr...

, the land of Antum was in the land Northward and was near the city of Jashon

Jashon

According to The Book of Mormon, Jashon referred to a land and a city in the land northward near the land of Antum. Jashon is mentioned in only two verses: . The Nephites retreated before the Lamanites until they reached Jashon...

. The prophet Ammaron

Ammaron

According to the Book of Mormon, Ammaron was a Nephite record-keeper and perhaps a prophet...

 deposited all the sacred engravings of his people in the Hill Shim

Hill Shim

According to the Book of Mormon, the hill Shim was in the Land of Antum and the location where Ammaron deposited the plates containing what was to become part of The Book of Mormon. The prophet Mormon later retrieved these plates from the hill....

 which was located in the land of Antum . This verse is the only place in the book where the land Antum is mentioned by name, but it is implied in two other verses in Mormon's record

Book of Mormon (Mormon's record)

The Book of Mormon is the name of a book, or division, in the larger Book of Mormon. This "inner" book has nine chapters. According to the text, the first seven chapters were written by the prophet Mormon and the last two by his son Moroni...

. In , Mormon

Mormon (prophet)

Mormon is believed by followers of Mormonism to have been the narrator of much of the Book of Mormon, a sacred text of the Latter Day Saint movement, which describes him as a prophet-historian and a member of a tribe of indigenous Americans known as the Nephites...

 reports that he followed the instructions of Ammaron and took up the plates of Nephi

Plates of Nephi

According to the Book of Mormon, the plates of Nephi, consisting of the large plates of Nephi and the small plates of Nephi, are a portion of the collection of inscribed metal plates which make up the record of the Nephites...

 from the hill Shim, which was in the land Antum, and made a record of the things he observed concerning his people, the Nephites. In , because of the imminent Lamanite

Lamanite

According to the Book of Mormon, a Lamanite is a member of a dark-skinned nation of indigenous Americans that battled with the light-skinned Nephite nation...

 incursion, Mormon

Mormon (prophet)

Mormon is believed by followers of Mormonism to have been the narrator of much of the Book of Mormon, a sacred text of the Latter Day Saint movement, which describes him as a prophet-historian and a member of a tribe of indigenous Americans known as the Nephites...

returned to the hill and took up all the records that Ammaron had hidden there.