Interview: U.S., Chinese leaders attendance reflects ASEAN's significance: Cambodia official (3)

Cambodia sets to host the 21st ASEAN Summit and related Summits from Nov. 18-20 at the Peace Palace in Phnom Penh, the capital of Cambodia.

The Summits will bring together all ASEAN leaders and ASEAN's dialogue country leaders including U.S. President Barack Obama, Chinese Premier Wen Jiabao, South Korean President Lee Myung-bak, Japanese Prime Minister Yoshihiko Noda, Indian Prime Minister Manmohan Singh, Australian Prime Minister Julia Gillard, and New Zealand Prime Minister John Key.

Russian President Vladimir Putin will be unable to attend the forthcoming Summits because he has the most important obligations to do in his country, Cambodian Deputy Prime Minister and Foreign Minister Hor Namhong said on Thursday.

Founded in 1967, the Association of Southeast Asian Nations ( ASEAN) groups Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam.