Phetchaburi, Thailand (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano"extended from Vieng-chan on the Mekong River to Pechabur on the coast of the Gulf of Siam"
"extended from Vieng-chan on the Mekong River to Pechabur on the coast of the Gulf of Siam"