The site has Thailand as a country, but not 1 city in the city dropdown box. It says cities with over 100,000

1 Bangkok 14,565,547
2 Nonthaburi 270,609
3 Nakhon Ratchasima 174,332
4 Chiang Mai 174,235
5 Hat Yai 157,467
6 Udon Thani 155,339
7 Pak Kret 152,881
8 Khon Kaen 129,581
9 Chaophraya Surasak 109,983
10 Ubon Ratchathani 105,081