Cambodian Prime Minister Hun Sen, accompanied by a group of high-ranking officials, left here on Wednesday for the 22nd Summit of the Association of Southeast Asian Nations (ASEAN) in Bandar Seri Begawan, Brunei.

The summit's theme under Brunei's chairmanship is "Our People, Our Future Together," which emphasizes the importance of ASEAN citizens in realizing the vision of an ASEAN Community by 2015.

It will focus on ASEAN's central role and the regional architecture, ASEAN's future direction, and exchange of views on regional and international issues, as well as other issues of common concerns and interests to ASEAN, Sry Thamarong, minister attached to Prime Minister Hun Sen, told reporters at Phnom Penh International Airport before the departure.

"Besides discussing ASEAN's tasks towards building an ASEAN community by 2015, the ASEAN leaders will exchange views on tensions on the Korean Peninsula and situations on the South China Sea and East China Sea," he said.

The summit serves as a follow-up to the 21st ASEAN Summit and Related Summits in Phnom Penh, Cambodia on November 17-20 last year.

Founded in 1967, ASEAN groups Brunei, Cambodia, Indonesia, Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam.