Bani Yas (from Arabic: بَنُو ياس ) is a tribal confederation of central Arabian origin in the United Arab Emirates. It had a coalition with many other tribes in the region. The tribal coalition which consists of tribes from Dubai to Khawr al Udayd southeast of Qatar, was called the Bani Yas Coalition. The tribe has been led by their rulers, the Al Nahyan, who had their headquarters in Al Dhafra and now in Abu Dhabi (city). The ruling family of the United Arab Emirates and Abu Dhabi, Al Nahyan, which is a branch of Al Falahi, belongs to and rules this tribe, as do the emirs of Dubai, Al Maktoum, which is a branch of Al Falasi.
Bani Yas had close relations with the Dhawahir tribe, which was traditionally at odds with Na’im and Bani Ka’ab in Buraimi Oasis.
In 1793 they took power and made Dubai becomes a dependency. In this time there were many conflicts and tribal wars.
Bani Yas consists of several branches, which are: