Getting a Divorce in Thailand can involve many procedures depending on the Type of Divorce,
such as Contested, Uncontested and Prenuptial Agreement.

Instead of trying to give a complete description here, I have provided links to various websites
where they discuss everything in Detail.

I would recommend checking all 4 websites to make sure you get a complete picture of all your
options.

The Divorce Code of Thailand
http://www.thailawforum.com/database1/divorce-law-thailand.html

Divorce in Thailand: Ending a Marriage
http://thailand.angloinfo.com/family/marriage-partnerships/divorce/

Thailand Divorce (Siam Legal)
http://www.siam-legal.com/legal_services/thailand-divorce.php

Chiang Mai Law Service
http://www.chiangmailaw.com/divorce.htm     
Don's Life In Thailand (Chiang Mai)
Divorce in Thailand