Hat Yai is located in Songkhla of South Thailand, it is the center of transportation, trade & commerce, information and education in fourteen provinces of South Thailand, so it is called " South Thailand ' heart ". 合艾位于泰国南部宋卡府,是泰南十四府的交通、商贸、咨询和教育的中心,有泰南心脏之称。