Aceh Sultanate
As a result of the political expansion and diplomatic relations of the Aceh Sultanate with their surrounding region, the Acehnese people were also mixed with the Alas people, Gayonese, Karo people, Nias people and Kluet people. The unification of the Acehnese culture that stemmed from various ancestry are primarily in the Acehnese language, religion of Islam and the local customs, as how it was formulated by Sultan Iskandar Muda in the "Adat Makuta Alam"laws, which is well known as "Kanun Mahkota Alam".