Cushan is a city located in China.
The provided source material does not contain specific geographical details or historical characteristics regarding Cushan in China. It focuses instead on the biblical figure Cushan-rishathaim, who was the king of Aram-Naharaim in Northwest Mesopotamia. According to these religious texts, he was the first oppressor of the Israelites following their settlement in Canaan and ruled over them for eight years as a divine punishment.