Less known, may be of interest
Places in Thailand not famous but that may be interesting for you depending on your personal plan and the approach of your trip.
Northern Thailand, near Sukhothai.
Northwestern Thailand, Mae Hong Son province.
South of Thailand, between the two coasts, the Gulf of Thailand and the Andaman Sea.
To the northeast of the country, within Isaan, next to the capital of Laos, Vientiane.