Central Region

1. Bangkok
2. Chainat
3. Nakhon Pathom
4. Nonthaburi
5. Pathum Thani
6. Phetchabun
7. Phetchaburi
8. Phra Nakhon Si Ayuttaya
9. Prachin Buri
10. Samut Prakan

Northern Region

1. Chiang mai
2. Chiang Rai
3. Nan
4. Phitsanulok

North Eastern Region

1. Khon Kaen
2. Loei
3. Nakhon Ratchasima
4. Nong Khai
5. Roi Et
6. Surin
7. Ubon Ratchathani
8. Udon Thani

Eastern Region

1. Chanthaburi
2. Chon Buri

Western Region

1. Kanchanaburi
2. Prachuap Khiri Khan
3. Rayong
4. Tak
5. Trat

Southern Region

1. Chumphon
2. Krabi
3. Phang Nga
4. Phuket
5. Songkhla
6. Surat Thani