I live in the UK and my girlfriend lives in Udon Thani. We plan to marry in Thailand in early August, and following the wedding apply for a spouse visa. However she will be heavily pregnant with my child and the baby is due at the end of August, therefore she will be unable to fly to Bangkok. Can i sort the paperwork in Bangkok without her and then marry at an Amphur in Udon Thani?

Yes, you can get your marriage registered at any Amphur Office in the country, providing you have your necessary paperwork from your Embassy, etc.

Thanks. So my girlfriend doesn't need to come to Bangkok to sort any paperwork in preparation for the wedding?