All the provinces of Thailand are shown on this map of Thailand. On this map of Thailand each Thai province is allocated a number which is displayed inside its border on the map. Some of the capital cities of the provinces are shown on the Thailand map. In Thailand most capital cities of Thai provinces assume the name of their Thai province. For example if you locate province number 7 on the map it is Chiang Mai and the capital city Chiang Mai is marked on the map in that province.
Paper maps of Thailand are available at this link Maps Thailand