I absolutely must go to the immigration office today for an extention but, is the chaengwattana office the only one which can do it?
There are other offices in city center, right?
TLDR : Answer Summary
The user is inquiring whether the Chaengwattana immigration office is the only location to request a visa extension or if there are other offices available in the city center. Based on the responses, it confirms that the Chaengwattana office is indeed the designated place for such extensions.