From the details about the Thailand admin boundaries that you specified in the list. Our administrative boundary includes the following details:
• Covers the whole Thailand, consists of 77 polygons in the province level, 1651 polygons in district level and 8137 polygons in the sub-district level.
• Within such data includes census data up to the third levels of admin boundaries (province > district > sub-district), by the population by gender, population by age and the number of households of the year 2013.