Bakhtiari is a very large and famous of nomad tribes. They live in the slopes of ZardKuh mountain, in Zagross mountainous area. They spend their winter time in Khuzestan province. They have two main tribes the Haft Lang and the ChaharLangm which are divided into many subtribes .they have luryaccent, in Persian language . but some of the tribes that are settled in villages speak in Arabic .Bakhtiari dresses are the reflection of the Arsasid (Parthian) period, 200 BC-280 AD.