I'm in the north of Bangkok - Rangsit. I was wondering if immigration offices exist in Ayutthaya or Saraburi or other towns slightly north since it might be more time-efficient for me to go there to extend my tourist exemption?
TLDR : Answer Summary
The answer discusses the location restrictions for extending a tourist exemption in Thailand. It emphasizes that tourists must go to the immigration office corresponding to their registered address, with specific references to the Chaengwattana Immigration office in Bangkok.