Songkhla or Singgora in Malay, was a city of an old Malay Kingdom of Langkasuka with heavy Srivijayan influence. It has been under Thai suzerainty since the 18th century.
Previously a port and a coastal trading post where Indian, Persian and Arabian merchants came to exchange their products, this place was initially named "Sing Lha" after the 2 lion-shape islands at the mouth of the city's lake. Currently, these 2 islands are known to us as Ko Nu (Rat Island) and Ko Maeo (Cat Island). ( http://wikitravel.org/en/Songkhla)
There are legend of this island >> to be continue ;)