オルドス地方
Shaanbei is located in the northern edge of the Loess Plateau with a general elevation range of , occupying approximately 45% of the total area of Shaanxi. Elevation tends to increase from northwest to southeast. The northern portions degrade into the Ordos Desert, while the southern portions slope up into hills. Shaanbei is generally perceived to include all of Yulin and the northern half of Yan'an prefectures, while the mountainous southern Yan'an is based around the Luo River valley and regarded as part of the Guanzhong Basin.