Quote Originally Posted by Marsilius View Post
Rather than calling Isaan a "province" (which, as you have convincingly explained, it isn't) or an "area" (which merely stresses its geographical coherence), there is surely a better word yet - "region". Unless that word has, in the overall structure of Thai government and administration, a specific meaning that rules it out of consideration, I'd choose it because it goes beyond the anodyne "area" by correctly implying that there are various broad cultural (including linguistic and socio-economic) characteristics that the constituent provinces of Isaan (though diverse in many detailed matters) have in common.
Like this you mean -
4egions-thailand-provinces-map-size2d-1080x675.jpg