Thailand, the South-East Asia country, is one of the
famous tourist destinations in the world. Tourism sector has
been recognized as one of the major sources of foreign
revenue. In Thailand, there is the diversity of tourism types
for example ecotourism, beach and costal tourism as well as
cultural heritage tourism. Visiting World Heritage sites is one
of the famous targets for both Thai and foreigner tourists.
Currently, there are 5 World Heritage Sites in Thailand
(Figure 1) including 3 cultural sites (Historic town of
Sukhothai and Associated Historic Town, Historic City of
Ayutthaya and Ban Chiang Archaeological Site) and 2
natural sites (Thungyai-Hui Kha Khang Wildlife Sanctuaries
and Dong Phayayen-Khao Yai Forest Complex).