Wang Dayuan
The island of Langkawi was recorded in history by various travellers to the region. It was called "Lóngyápútí" () in the 14th century by the Yuan dynasty traveller Wang Dayuan. When the Ming dynasty admiral Zheng He visited the region, the island was marked as , "Lóngyájiāoyǐ", on his map. In the 15th century, it was known to the Acehnese as "Pulau Lada" ('Pepper Island'). In 1691, the French general Augustin de Beaulieu recorded going to the island of "Lancahui" (Langkawi) to buy pepper, and de Beaulieu was required to obtain a license from Kedah's heir apparent then in Perlis before the "penghulu" or chief of Langkawi would sell pepper to him.