Franco–Siamese Treaty of 1904[1] (Thai: สนธิสัญญาสยาม–ฝรั่งเศส ร.ศ.

122) it was a convention between the Kingdom of Siam during the reign of King Chulalongkorn and the French Republic during the reign of President Émile Loubet.

Its important content is the demarcation of the boundary between the Kingdom of Siam and neighboring territories which have already been colonized by the French Republic as well as granting extraterritorial rights to French citizens.

The Siamese plenipotentiary who signed this treaty was Phraya Suriyanuwat (Kerd Bunnag), Ambassador of Siam to France, and the French side is Théophile Delcassé, Minister of Foreign Affairs.

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