The Institution of Engineers, Bangladesh, commonly referred to as IEB, is the national professional organisation of engineers in Bangladesh. It is registered under the Societies Registration Act (1860) of the country. Within the country, it has 18 centers and 31 sub-centers. It has 10 'overseas chapter' in different countries of the world, namely: Australia, Kuwait, Malaysia, Oman, Qatar, Saudi Arabia, Singapore, Thailand, United Arab Emirates and the United States.