Can I extend my tourist visa at Chonburi immigration after arriving with a 2-month tourist visa?

If you enter Thailand on a 2-month tourist visa and are staying in Chonburi, you can request a 30-day extension at the local immigration office in Chonburi. While it is generally recommended to apply at the immigration office corresponding to your place of residence, some discretion may apply based on the officers on duty. It is best to use your local office to avoid any issues.