Generally, a foreign citizen who wishes to enter the Kingdom of Thailand is required to obtain a visa from a Royal Thai Embassy or a Royal Thai Consulate-General. However, nationals of certain countries do not require a visa.
Those nationalities which are exempted from visa requirements when entering Thailand for tourism purposes will be permitted to stay in the Kingdom for a period of not exceeding 30 days.
Nationals of certain countries may apply for visa upon arrival in Thailand for a period of stay not exceeding 15 days. For more information, please see Summary of Countries and Territories entitled for Visa Exemption and Visa on Arrival to Thailand .