PHNOM PENH, June 19 (Xinhua) -- Cambodian Prime Minister Samdech Techo Hun Sen will lead a high-level delegation to attend the 34th Association of Southeast Asian Nations (ASEAN) summit in Bangkok, Thailand from June 22 to 23, said a Foreign Ministry's statement on Wednesday.

The summit, with the theme "Advancing Partnership for Sustainability," will focus on promoting cooperation and strengthening consensus process among ASEAN members to address new global challenges, the statement said.

"The summit will also explore ways on how to bring ASEAN to a new height for sustainability and seamless connectivity," it said.

"It is expected that the outcomes of the 34th ASEAN Summit would reflect ASEAN's effort to advance the community-building process, and to promote ASEAN partnership for sustainable development, among others," the statement said.

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