The cabinet resolution dated 15 January 2008 approved the amendment of 18 provincial clusters. There are 4 provinces in the eastern cluster, comprising Chonburi, Rayong, Chanthaburi and Trat provinces. And Chonburi province is the center of the eastern zone, aiming to be a linkage and drive the joint strategy among the provincial groups under the cooperation of all regions as well as to promote the national integrated approach.

• Tiếng Thái Lan