二里头 Traditional form: 二里頭 Pinyin (reading): Erlǐtou Definitions: Erlitou (Xia dynasty 夏朝 ( Xiàcháo) archaeological site at Yanshi 偃師/偃师 ( Yǎnshī) in Luoyang 洛陽/洛阳 ( Luòyáng), Henan) Characters: 二 - two; twice 里 - unit of distance equal to 0.5km; village; lane 头 - head; chief, boss; first, top Traditional characters: 二 - two; twice 里 - unit of distance equal to 0.5km; village; lane 頭 - head; chief, boss; first, top