Nearly two dozen world leaders are descending in the Malaysian capital of Kuala Lumpur for a three-day summit of the Association of Southeast Asian Nations (ASEAN) from Sunday to Tuesday, and multiple other meetings on the sidelines.

This will be the 47th summit of the ASEAN.

Here’s what you need to know:

What is ASEAN, and who’s attending the summit?

ASEAN is made up of 10 members – Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam. Together, they have a population of 678 million people and a gross domestic product of $3.9 trillion, according to the Office of the United States Trade Representative.

This year, ASEAN will induct its 11th member, East Timor. The country gained independence from Indonesia in 2002 and is home to 1.4 mil

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