[1] The clan is based primarily in Eastern Province of Saudi Arabia, Qatar, United Arab Emirates and Bahrain.
Al Bu 'Ainain have contributed in establishing the town of Jubail on the Hasa coast -northwest of Ras Tanura- following dissatisfaction in Qatar.
[2] They have also worked on building up one of Qatar's largest cities, Al Wakrah.
J. G. Lorimer noted in his publication Gazetteer of the Persian Gulf that the Al-Buainain population in Al Wakrah was 2,000 in 1908.
[3][4] In the same publication, Lorimer reported that the tribe owned around 95 houses in Bahrain, mainly in the towns of Askar and Muharraq.