Welcome to Trat Immigration Department

Trat Immigration office, Koh Chang & Laem NgopKoh Chang and Trat Immigration

Welcome to the website for the Immigration offices in Klong Yai and Koh Chang, Trat province in eastern Thailand.

** Please note that the Laem Ngop Immigration office closed on 12 February 2018 and re-located to Klong Yai which is close to the Cambodian border.**

Both offices are open from Monday to Friday. Opening hours are 8:30 a.m. to 4:30 p.m. We are closed for lunch break from 12:00 p.m. to 1:00 p.m.

Here is some information about the main tasks we can perform for tourists in Thailand and expats.

Extension of a Tourist Visa:

This can only be done at the Klong Yai Immigration office.  Not at the office on Koh Chang.  You will require the following to extend your Tourist Visa:

  • Your passport
  • 1,900 Baht
  • 1 completed application form (get this at the immigration office)
  • 1 passport photo (3.5 cm x 4.5 cm)
  • 1 photocopy of the main page of your passport
  • 1 photocopy of the page showing current visa stamp and Departure Card TM6

90 Day Reporting:

For foreigners who have a Non-Immigrant visa and who are required to report their place of residence, this can be done at the office on Koh Chang.  Located opposite Flora I-talay Resort on Klong Prao beach.

If you have all your documents in order, you should be in and out within 5 minutes.

You need to fill out the TM47 form and also bring photocopies of the following pages in your passport.

In addition, you may be asked to show proof of address. So, please prepare a photocopy of your house registration or rental contract. ( More details here. )

  • Your passport
  • 1 completed TM47 application form (get this at the immigration office)
  • 1 photocopy of the main page of your passport
  • 1 photocopy of the page(s) showing last entry stamp into Thailand, last visa extension and Departure Card TM6
  • 1 photocopy of house / bungalow rental contract or house registration book

Immigration office location:

Klong Yai Immigration office is located just outside Klong Yai town, on Soi Tessaban near the hospital and football stadium.

How to get to Klong Yai:

If you are staying on Ko Chang you can take one of the minibus services that go to the border at Hat Lek. The return ticket price is about 800 Baht per person. Buy tickets from a tour agent on Koh Chang.

From Trat bus station you can take any public minibus which is going to Hat Lek. It can drop you off in Klong Yai town.  That is 80 Baht per person.  When you get off the minibus, take a motorbike taxi to the Immigration office


Koh Chang Immigration Office is located on the main road opposite Flora Italay Resort, Klong Prao.


For inquiries related to visas, please call:  039-581-776 ( office hours only )

Email: c_khlongyai@immigration.go.th