Many of the molds for bronze ware in its time of emergence, around the end of the early Yayoi period to the first half of the middle Yayoi period, were found mainly in south west part of the Saga plain, around Saga City, and Ogi City, Saga Prefecture.
青銅器の鋳型は、列島での初現期にあたる弥生時代前期末～中期前半期のものは主に佐賀県佐賀市から小城市にかけての佐賀平野南西部に多く見られる。