Jobosei was the city plan seen in cities that contained the Emperor's palace in countries such as China, the Korean Peninsula, and Japan; furthermore, the Suzaku-oji Street was placed in the center of the city running from east to west.
条坊制（じょうぼうせい）とは、中国・朝鮮半島・日本の王城都市に見られる都市プランで、南北中央に朱雀大路を配した。