 Under the Song, the name was changed to , from "tíng"’s sense of "straight" or "erect".Yuanqu County covered most of present-day Dongming County and the southwestern part of what is now Mudan District, Heze Prefecture, Shandong.The remains of Yuanqu, its chief city and seat of government, are now located near Longwangmiao Village (t s "Lóngwángmiào Cūn") in Malinggang (t s "Mǎlǐnggǎng Zhèn"), southwest of the central core of Mudan and northwest of present-day Caoxian.