Divided into 10 unions and detached missions, including the following countries: Bangladesh, Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, Philippines, Singapore, Sri Lanka, Thailand, Vietnam,and islands of the Pacific, namely United States, territories of Guam and Wake Island, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, the Republic of Belau, and the Republic of the Marshall Islands.