San-fo-ts’i, Hadhramaut, Yemen (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano"ZANGHIBAR. ... and it is for this reason that the incense is commonly collected at San-fo-ts’i [the three ports of the Hadhramaut coast]."