1. Bangkok – 5,104,476
The capital and by far the largest city, national political, economic and cultural center.
2. Samut Prakan – 388,920
Industrial city immediately southeast of Bangkok, part of the metro region.
3. Mueang Nonthaburi – 291,555
Large suburban city north of Bangkok within Greater Bangkok urban area.
4. Udon Thani – 247,231
Major northeastern city and administrative center of Isan region.
5. Chon Buri – 219,164
Port and industrial city near Pattaya and Bangkok’s eastern corridor.
6. Nakhon Ratchasima – 208,781
Largest city in northeast Thailand (“Khorat”), gateway to Isan.
7. Chiang Mai – 200,952
Northern cultural capital, known for temples and a vibrant digital nomad scene.
8. Hat Yai – 191,696
Southern commercial hub near the Malaysian border with strong retail and transport activity.
9. Pak Kret – 182,926
Rapidly growing suburban city in Nonthaburi province, part of Bangkok metro.
10. Si Racha – 178,916
Coastal city in Chon Buri province, industrial and port-related economy.
11. Phra Pradaeng – 171,333
Suburban city in Samut Prakan province on the Gulf coast near Bangkok.
12. Lampang – 156,139
Northern city known for horse-drawn carriages and ceramic arts.
13. Khon Kaen – 147,579
Major urban center in northeast Thailand with regional universities.
14. Surat Thani – 132,201
Gateway to the islands of the Gulf of Thailand and transit hub.
15. Ubon Ratchathani – 122,533
Eastern border city near Laos, known for Buddhist festivals.
16. Nakhon Si Thammarat – 120,836
Southern coastal city with ancient temples and port economy.
17. Khlong Luang – 118,551
Growing city north of Bangkok in Pathum Thani, satellite housing center.
18. Nakhon Pathom – 117,927
Historic city west of Bangkok, famous for its giant stupa.
19. Rayong – 106,737
Eastern seaboard port city known for petrochemical and seafood industries.
20. Phitsanulok – 103,427
Central-northern city on major rail corridor, known for heritage temples.
21. Chanthaburi – 99,819
Coastal province capital known for gem markets and colonial architecture.
22. Pattaya – 97,296
International resort city on the Gulf of Thailand, famous for beaches and nightlife.
23. Yala – 93,558
Southern provincial capital near the Malaysian border, agricultural trade center.
24. Ratchaburi – 92,448
Western province city on the Mae Klong River, known for pottery.
25. Nakhon Sawan – 91,802
Northern central city at the junction of major rivers and transportation node.
26. Phuket – 89,072
Island city and Thailand’s premier beach resort and tourism hub.
27. Ban Mai – 86,899
Smaller town in Pathum Thani province within Bangkok’s commuter belt.
28. Songkhla – 84,264
Port city adjacent to Hat Yai in southern Thailand, cultural and university center.
29. Ayutthaya (Phra Nakhon Si Ayutthaya) – 81,962
Historic UNESCO-listed former capital city north of Bangkok.
30. Chiang Rai – 78,756
Northern city near Myanmar-Laos border, known for temples and mountain tribes.
The above is subject to change.
Check back often to TRAVEL.COM for the latest travel tips and deals.
