Bangkok i advice u to stay in Amari water gate hotel 5 stars hotel around 55 rials per night
in huahin i advice u to stay in city beach hotel good hotel 28 rials per night
in phuket i advice u to stay in holiday inn about 52 rials per night
in chingmai royaal laana hotel abut 20 rials per night
in kohsamui i advice u to stay in chewenge beach and u can find a lot of 5 stars hotels there
if u require good price for hotel booking u can book through internet through theses best websites
'www.asiarooms.com
or
www.directrooms.com
i m always booking through them
thanks