Central Region

1. Bangkok
2. Nakhon Pathom
3. Nonthaburi
4. Pathum Thani
5. Phra Nakhon Si Ayuttaya

Northern Region

1. Chiang Mai
2. Chiang Rai

North Eastern Region

1. Khon Kaen
2. Nakhon Ratchasima
3. Udon Thani

Eastern Region

1. Chon Buri

Western Region

1. Kanchanaburi
2. Prachuap Khiri Khan
3. Tak

Southern Region

1. Phuket
2. Songkhla