 |
 |
|
 |
 |
1939-MAR-15 |
| |
|
|
|
|
1939-MAR-15 |
| Kingdom of SIAM [Council of Regency] | |
 |
  |
| (Bangkok) |
|
Kingdom of SIAM |
|
| Flag or logo since 1917-09-28* |  |
Emblem or Symbol* |
 King Rama VIII Ananda Mahidol (ruler of SIAM since 1935-03-02) |
| Capitals & administrative places*: | Bangkok (Krung Thep) |
|
| Official & national languages: | Thai (th) . |
|
 | | SIAM | Kingdom of SIAM (Bangkok) |
 |  | CENTRAL SIAM | CENTRAL SIAM Geographical Region (Bangkok) | Local: | Phakh KLANG : ภาคกลาง (th) (Krung Thep) | |
 |  | EAST SIAM | EAST SIAM Geographical Region (Prachinburi) | Local: | Phakh TAWAN-AOK : ภาคตะวันออก (th) (Prachin Buri) | |
 |  | NORTH SIAM | NORTH SIAM Geographical Region (Phitsanulok) | Local: | Phakh NUEA : ภาคเหนือ (th) (Muang Phitsanulok) | |
 |  | NORTHEAST SIAM | NORTHEAST SIAM Geographical Region [Isarn Region] (Khorat) | Local: | Phakh TAWANOK-CHIANG-NUEA : Phakh Esarn – ภาคตะวันออกเฉียงเหนือ : ภาคอีสาน (th) (Muang Nakhon Ratcha Sima) | |
 |  | SOUTH SIAM | SOUTH SIAM Geographical Region (Nakhon Si Thammarat) | Local: | Phakh TÎ : ภาคใต้ (th) (Muang Nakhon Si Thammarat) | |
 |  | WESTERN SIAM | WESTERN SIAM Geographical Region (Ratchaburi) | Local: | Phak TAWANTOK KHXNG SYAM : ภาคตะวันตกของสยาม (th) (Ratcha Buri) | |
 |  | PAKLAY ZONE | Franco-Siamese Demilitarized Free Zone : PAKLAY ZONE (Muang Paklay) | Local: | Zone démilitarisée FRANCO-SIAMOISE (fr) + K̄het Plxdthh̄ār F̄Rạ̀NGṣ̄ES̄-S̄YĀM : เขตปลอดทหารฝรั่งเศส-สยาม (th) (Muang Paklay) | |
