| City | Region | Population | Latitude | Longitude |
|---|---|---|---|---|
| Bangkok | Bangkok | 5,104,476 | 13.7539800 | 100.5014400 |
| Samut Prakan | Samut Prakan | 388,920 | 13.5993400 | 100.5967500 |
| Nonthaburi | Nonthaburi | 291,555 | 13.8607500 | 100.5147700 |
| Udon Thani | Changwat Udon Thani | 247,231 | 17.4156700 | 102.7858900 |
| Chon Buri | Chon Buri | 219,164 | 13.3622000 | 100.9834500 |
| Nakhon Ratchasima | Nakhon Ratchasima | 208,781 | 14.9706600 | 102.1019600 |
| Chiang Mai | Chiang Mai | 200,952 | 18.7903800 | 98.9846800 |
| Hat Yai | Songkhla | 191,696 | 7.0083600 | 100.4766800 |
| Pak Kret | Nonthaburi | 182,926 | 13.9130100 | 100.4988300 |
| Si Racha | Chon Buri | 178,916 | 13.1737200 | 100.9311100 |
| Amphoe Phra Pradaeng | Samut Prakan | 171,333 | 13.6585500 | 100.5336200 |
| Lampang | Lampang | 156,139 | 18.2923200 | 99.4927700 |
| Khon Kaen | Khon Kaen | 147,579 | 16.4467100 | 102.8330000 |
| Surat Thani | Surat Thani | 127,201 | 9.1401100 | 99.3331100 |
| Ubon Ratchathani | Changwat Ubon Ratchathani | 122,533 | 15.2384400 | 104.8486600 |
| Nakhon Si Thammarat | Nakhon Si Thammarat | 120,836 | 8.4333300 | 99.9666700 |
| Khlong Luang | Pathum Thani | 118,551 | 14.0646700 | 100.6457800 |
| Nakhon Pathom | Nakhon Pathom | 117,927 | 13.8196000 | 100.0442700 |
| Rayong | Rayong | 106,737 | 12.6809500 | 101.2579800 |
| Phitsanulok | Phitsanulok | 103,427 | 16.8248100 | 100.2585800 |
| Chanthaburi | Chanthaburi | 99,819 | 12.6096100 | 102.1044700 |
| Pattaya | Chon Buri | 97,296 | 12.9333300 | 100.8833300 |
| Yala | Yala | 93,558 | 6.5399500 | 101.2812800 |
| Ratchaburi | Ratchaburi | 92,448 | 13.5367100 | 99.8171200 |
| Nakhon Sawan | Nakhon Sawan | 91,802 | 15.7047200 | 100.1371700 |
| Phuket | Phuket | 89,072 | 7.8905900 | 98.3981000 |
| Ban Mai | Songkhla | 86,899 | 7.2041100 | 100.5450800 |
| Songkhla | Songkhla | 84,264 | 7.1988200 | 100.5951000 |
| Ayutthaya | Phra Nakhon Si Ayutthaya | 81,962 | 14.3516700 | 100.5773900 |
| Chiang Rai | Chiang Rai | 78,756 | 19.9085800 | 99.8325000 |
| Bang Kruai | Nonthaburi | 78,305 | 13.8050000 | 100.4728300 |
| Sakon Nakhon | Sakon Nakhon | 76,237 | 17.1611600 | 104.1472500 |
| Krathum Baen | Samut Sakhon | 72,819 | 13.6533000 | 100.2597200 |
| Saraburi | Sara Buri | 67,763 | 14.5333300 | 100.9166700 |
| Trang | Trang | 66,713 | 7.5563300 | 99.6114100 |
| Sattahip | Chon Buri | 65,444 | 12.6664400 | 100.9007300 |
| Kanchanaburi | Kanchanaburi | 63,699 | 14.0041200 | 99.5483200 |
| Nong Khai | Nong Khai | 63,609 | 17.8784700 | 102.7420000 |
| Samut Sakhon | Samut Sakhon | 63,498 | 13.5475300 | 100.2736200 |
| Ban Lam Luk Ka | Pathum Thani | 60,700 | 13.9773800 | 100.7777600 |
| Kamphaeng Phet | Kamphaeng Phet | 58,787 | 16.4834400 | 99.5215300 |
| Chaiyaphum | Chaiyaphum | 58,350 | 15.8104700 | 102.0288100 |
| Uttaradit | Uttaradit | 58,313 | 17.6255700 | 100.0942100 |
| Lopburi | Lop Buri | 57,761 | 14.7980800 | 100.6539700 |
| Ban Pong | Ratchaburi | 57,559 | 13.8162900 | 99.8773900 |
| Phra Phutthabat | Sara Buri | 57,008 | 14.7252600 | 100.7953600 |
| Chumphon | Chumphon | 55,835 | 10.4957000 | 99.1797100 |
| Klaeng | Rayong | 55,619 | 12.7797200 | 101.6483100 |
| Kalasin | Kalasin | 55,102 | 16.4328100 | 103.5065800 |
| Suphan Buri | Suphan Buri | 53,399 | 14.4741800 | 100.1221800 |
| Tha Maka | Kanchanaburi | 52,907 | 13.9000000 | 99.7666700 |
| Talat Yai | Phuket | 52,192 | 7.8848100 | 98.4000800 |
| Maha Sarakham | Maha Sarakham | 51,584 | 16.1848300 | 103.3006700 |
| Phetchabun | Phetchabun | 50,656 | 16.4190400 | 101.1605600 |
| Hua Hin | Prachuap Khiri Khan | 50,456 | 12.5706500 | 99.9587600 |
| Ko Samui | Surat Thani | 50,000 | 9.5356700 | 99.9356700 |
| Chachoengsao | Chachoengsao | 49,741 | 13.6882000 | 101.0715600 |
| Cha-am | Phetchaburi | 49,375 | 12.8000000 | 99.9666700 |
| Pak Chong | Nakhon Ratchasima | 48,999 | 14.7080200 | 101.4161400 |
| Narathiwat | Narathiwat | 47,771 | 6.4263900 | 101.8230800 |
| Pran Buri | Prachuap Khiri Khan | 47,293 | 12.3848700 | 99.9015700 |
| Surin | Surin | 46,673 | 14.8818100 | 103.4936400 |
| Phetchaburi | Phetchaburi | 46,601 | 13.1118900 | 99.9446700 |
| Chum Phae | Khon Kaen | 46,335 | 16.5443000 | 102.0992400 |
| Sadao | Songkhla | 46,236 | 6.6388300 | 100.4234200 |
| Si Sa Ket | Sisaket | 44,751 | 15.1148100 | 104.3293800 |
| Mae Sot | Tak | 44,563 | 16.7166700 | 98.5666700 |
| Pattani | Pattani | 43,690 | 6.8681400 | 101.2500900 |
| Phatthalung | Phatthalung | 43,522 | 7.6178600 | 100.0779200 |
| Lamphun | Lamphun | 43,196 | 18.5805400 | 99.0074500 |
| Warin Chamrap | Changwat Ubon Ratchathani | 43,102 | 15.1931900 | 104.8628000 |
| Su-ngai Kolok | Narathiwat | 42,776 | 6.0297700 | 101.9658600 |
| Tha Yang | Phetchaburi | 42,602 | 12.9577200 | 99.9055500 |
| Ban Phaeo | Samut Sakhon | 41,904 | 13.5907200 | 100.1074800 |
| Bang Bua Thong | Nonthaburi | 41,567 | 13.9178300 | 100.4240300 |
| Nong Khae | Sara Buri | 41,067 | 14.3406200 | 100.8673300 |
| Mukdahan | Mukdahan | 40,480 | 16.5453100 | 104.7235100 |
| Ban Na | Sukhothai | 40,174 | 17.0171700 | 99.7328300 |
| Bang Lamung | Chon Buri | 39,620 | 13.0470400 | 100.9289100 |
| Roi Et | Roi Et | 39,328 | 16.0567000 | 103.6530900 |
| Wichian Buri | Phetchabun | 39,272 | 15.6577800 | 101.1060300 |
| Wichit | Phuket | 38,701 | 7.8894000 | 98.3852300 |
| Phrae | Phrae | 38,538 | 18.1458900 | 100.1410300 |
| Mae Chan | Chiang Rai | 37,672 | 20.1467500 | 99.8525600 |
| Sam Phran | Nakhon Pathom | 37,115 | 13.7269800 | 100.2152600 |
| Sukhothai Thani | Sukhothai | 37,000 | 17.0077800 | 99.8230000 |
| Kantharalak | Sisaket | 36,621 | 14.6405600 | 104.6499200 |
| Photharam | Ratchaburi | 36,248 | 13.6923400 | 99.8496900 |
| Phichit | Phichit | 35,760 | 16.4418400 | 100.3487900 |
| Det Udom | Changwat Ubon Ratchathani | 35,669 | 14.9059800 | 105.0783600 |
| Ban Phai | Khon Kaen | 35,583 | 16.0599700 | 102.7309700 |
| Tha Bo | Nong Khai | 35,292 | 17.8500300 | 102.5813900 |
| Loei | Loei | 35,273 | 17.4905200 | 101.7274900 |
| Samut Songkhram | Samut Songkhram | 35,065 | 13.4145600 | 100.0026400 |
| Kathu | Phuket | 34,835 | 7.9177900 | 98.3332200 |
| Amnat Charoen | Amnat Charoen | 34,769 | 15.8585100 | 104.6288300 |
| Nakhon Phanom | Nakhon Phanom | 34,595 | 17.4108100 | 104.7785600 |
| Satun | Satun | 34,544 | 6.6231400 | 100.0667600 |
| Nong Bua Lamphu | Changwat Nong Bua Lamphu | 34,401 | 17.2040600 | 102.4406800 |
| Ban Ratsada | Phuket | 33,534 | 7.9096300 | 98.4024800 |