The Thap Ba – Po Nagar Festival is organized from the 20th to the 23rd day of the third lunar month. This is biggest religious festival in the region, is held at Po Nagar Tower which located on the hill near the mouth of Cai River, north of Nha Trang City. The festival is organize to commemorate the Mother of the Region who according to Cham legends, created the homeland, maintained race, discoved rice tree, taught people how to cultivate. The Goddess of the Cham had become the Goddess of the Vietnamese inhabitants .The festival involves the singing and dancing to welcome people, stage performance and many fun games take place joyfully in the front of the main temple.