The Old Siam Plaza
The Old Siam Plaza, 12 Tri Phet Rd, Wang Burapha Phirom, Phra Nakhon, Bangkok 10200
Data checked on 11 June 2026.
The Old Siam Plaza anchors the heritage food experience in the Wang Burapha Phirom area of Phra Nakhon. Ground-floor vendors prepare traditional Thai desserts using methods that predate modern commercial production. Over 12,200 Google reviews confirm its standing as a key stop on the Rattanakosin district cultural circuit.