Hello, please tell me, if my family and I flew to Phuket without a visa, and we need to extend it after 30 days for another 10 days, how best to do it?

[Vitaly]

Hello, please tell me, if my family and I flew to Phuket without a visa, and we need to extend it after 30 days for another 10 days, how best to do it?

[Dolbotryas]

Come to the migraine and extend Only I don't remember, there is i think the week is 1900 baht.