- Bangkok - Northern Area Chiangrai Chiangmai Lampang Tak Nan Prae Kampangpetch Pitsanulok

- North Eastern Area Ubonratchathani Khonkhaen Amnajjaroen Mahasarakam Loey Nongkai Srisaket Sakonnakorn Kalasin Nakornratchasrima

- Central Area Nonthaburi Nakornprathom Ratchaburi Kanjanaburi Prachuabkirikan Aangthong Saraburi Lopburi Nakornsawan Supanburi

- Eastern Area Rayong Chachoengsao Chantaburi Prachinburi Chonburi

- Southern Area Phuket Ranong Krabi Nakornsritammarat Pattalung Naratiwas Yala Songkla