Larestan region

Larestan or Laristan (Larestani: لارستان) is a region in the South of Iran, located in the west of Hormozgan, South of Fars, and South of Bushehr province. It is mostly consisted of Persians followed by Turkics, Arabs, Balochs, and Africans. Larestanis are about 1,000,000 living in Larestan with an estimated 2,000,000 Larestanis living in Arab states of the Persian Gulf, due to extensive immigration occurring in the 19th and 20th century for better job opportunities and a better life.

Larestani or Achomi
The main language spoken in Larestan is known as Larestani or Achomi or Khodemooni. It is southwestern Iranian language and a descendant of Middle Persian. It has few Arabic loanwords and much purer than Persian. It has at least five dialects that are Lari, Bastaki, Khonji, Evazi, Gerashi.