Iron Age culture and site on the central coast of southern Vietnam, dating mainly from the 1st millennium BC and associated with pottery urn burials and rich artifact assemblages paralleled most closely in the Philippines, north Borneo, and Sulawesi. The culture may be associated with early Chamic (Austronesian) settlement in Vietnam or proto-Cham, and appears to be contemporary with, but separate from, the Dong-son culture of north Vietnam. Most assemblages known are from jar burials. Characteristic artifacts include lingling-o earrings and double-headed animal pendants of jadeite. It was active c 600 BC-c 100 AD.