The Thailand Ministry of Foreign Affairs website has advice as to which visa might be appropriate for your situation.
For a summary of countries and territories entitled for Visa Exemption and Visa on arrival click here
Suvarnabhumi Airport (BKK)
Suvarnabhumi Airport is located about 15 km of on the east-bound Bangna-Trat Highway in Bang Phli District, Samut Prakarn Province and is about 25 km from downtown Bangkok.
For Suvarnabhumi Airport information and transport services click here
Don Mueang Airport (DMK)
Bangkok International Airport (Don Mueang Airport) is located some 22 kilometres north of Bangkok. The Domestic Terminal and Cargo Terminal are also located nearby.
For Don Mueang Airport information and transport services click here
Banking and Currency
Automated Teller Machines (ATMs) are plentiful throughout Thailand, and most will accept cards issued by any of the major international banking networks (Plus, Cirrus, etc.)
Business Hours
Most commercial concerns in Bangkok operate on a five-day week basis. Government offices are generally open between 8.30 AM and 4.30 PM with a noon to 1.00 PM lunchbreak, Monday through Friday, except on public holidays. Private businesses maintain much the same hours - perhaps 8.00 AM to 5.00 PM, with certain exceptions. Many stores open 12 hours a day, seven days a week.
Credit Cards
Major credit cards such as Visa, Mastercard, JCB and American Express, are readily accepted at most hotels, airlines, restaurants and upscale merchants.
To prevent your credit/debit card from being declined, it is important to advise your card issuer of your travel plans in advance. Some institutions routinely block/deny unexpected charges from Thai merchants for fear of possible fraudulent use.
Electricity
The electric current is 220 Volt AC (so cycles) throughout the country. There are many plugs and sockets in use. Travellers with shavers, tape recorders and other appliances should carry a plug-adapter kit. The better hotels will, make available 110 Volt transformers.
Etiquette
Polite behaviour is welcomed everywhere, and what is considered polite in other countries is probably considered polite in Thailand, too. However, there are a few cultural pitfalls, mainly social and religious taboos, the breaking of which can cause offence:
Health
No inoculations or vaccinations are required unless you are coming from or passing through contaminated areas, Yellow fever certificates are required for those who are coming from 14 following countries; Bolivia, Brazil, Colombia, Peru, Angola, Barkina Faso, Gambia, Ghana, Guinea, Mauritania, Mali, Nigeria, Sudan and Zaire.
Insurance
It is strongly recommended that delegates take out adequate travel and health insurance prior to commencement of travel. Further information can be obtained from your travel agent.
Language
English is the official language of the Conference.
English is widely understood, particularly in Bangkok where it is almost the major commercial language. English and other European languages are spoken in most hotels, shops and restaurants, in major tourist destinations, and Thai-English road and street signs are found nation-wide.
Liability
The Organising Committee and/or the Conference Organisers shall not be held liable for personal accidents or losses or damage to private property of registered delegates. Delegates should make their own arrangements with respect to personal insurance.
Tipping
It is not necessary to tip cinema ushers. It is customary to tip porters and hotel personnel who have given good personal service. A 10%-15% tip is appreciated in restaurants, particularly where service charge is waived.