| Name | Population | Altitude | Latitude | Longitude |
| Lobh Buri : | 795 094 | 246 m | 14°48'0.0" N | 100°37'1.2" E |
| Nagara Pathom : | 790 753 | 3 m | 13°49'0.1" N | 100°2'60.0" E |
| Changwat Phra Nakhon Si Ayutthaya : | 779 300 | 6 m | 14°20'60.0" N | 100°32'60.0" E |
| Changwat Nakhon Phanom : | 769 860 | 150 m | 17°22'0.1" N | 104°43'1.2" E |
| Padumdhani : | 767 951 | 3 m | 14°1'0.1" N | 100°31'58.8" E |
| Naradhivas : | 751 922 | 18 m | 6°25'28.0" N | 101°49'26.4" E |
| Changwat Loei : | 676 087 | 246 m | 17°25'59.9" N | 101°43'1.2" E |
| Leui : | 676 087 | 1 134 m | 17°28'59.9" N | 101°43'1.2" E |
| Changwat Chachoengsao : | 669 036 | 24 m | 13°41'60.0" N | 101°4'58.8" E |
| Changwat Sawankhalok : | 665 993 | 63 m | 17°18'31.0" N | 99°50'3.1" E |
| Changwat Sukhothai : | 665 993 | 63 m | 17°0'23.0" N | 99°49'23.9" E |
| Changwat Phichit : | 614 516 | 38 m | 16°25'59.9" N | 100°22'1.2" E |
| Changwat Trang : | 612 757 | 9 m | 7°32'60.0" N | 99°35'60.0" E |
| Changwat Prachuap Khiri Khan : | 551 707 | 34 m | 11°45'0.0" N | 99°43'59.9" E |
| Chandaburi : | 547 887 | 687 m | 12°35'60.0" N | 102°9'0.0" E |
| Changwat Yasothon : | 543 848 | 123 m | 15°47'43.1" N | 104°8'56.4" E |
| Changwat Tak : | 540 055 | 884 m | 16°52'0.1" N | 99°7'59.9" E |
| Changwat Nan : | 530 895 | 295 m | 18°41'60.0" N | 100°42'0.0" E |
| Changwat Yala : | 524 191 | 49 m | 6°30'0.0" N | 101°15'0.0" E |
| Changwat Phatthalung : | 512 157 | 66 m | 7°34'60.0" N | 99°58'59.9" E |
| Changwat Chumphon : | 511 972 | 229 m | 10°30'0.0" N | 99°10'0.1" E |
| Changwat Uttaradit : | 511 097 | 445 m | 17°37'52.0" N | 100°6'3.6" E |
| Bejraburi : | 499 811 | 172 m | 13°5'60.0" N | 99°57'0.0" E |
| Changwat Krabi : | 442 240 | 90 m | 8°4'0.0" N | 98°55'0.1" E |
| Changwat Samut Sakhon : | 424 336 | 2 m | 13°31'59.9" N | 100°16'58.8" E |
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