If you want to get married outside of the UK you will need to follow the procedure of the law in that country. Advice will be needed from a lawyer. If you have any general enquiries about marrying abroad, you should contact the Embassy or High Commission of the country concerned.
For more information click here
Below are some links to companies who specialise in weddings abroad
Take Us To Thailand
Hinkson Tours
Part
of the Great British Websites Group