Ayutthaya — a historical city, UNESCO World Heritage Site and old capital of Siam
Chiang Mai — de facto capital of Northern Thailand and the heart of Lanna culture
Chiang Rai — gateway to the Golden Triangle, ethnic minorities and mountain trekkings
Kanchanaburi — home of the bridge over the River Kwai and numerous World War II museums
Nakhon Ratchasima — largest city of the Isaan region
Pattaya — one of the main tourist destinations, known for its outrageous nightlife
Sukhothai — Thailand's first capital, with amazing ruins still
Surat Thani — home of the Srivijaya Empire, gateway to the Samui archipelago
Chumphon — between Bangkok and Phuket in the golf, gateway to Kho Tao