Ningcheng County (Mongolian: ᠨᠢᠩᠴᠧᠩ ᠰᠢᠶᠠᠨ; Chinese: 宁城县) is a county of southeastern Inner Mongolia, China, bordering Liaoning province to the east.

[2] The daohugouthallus extinct genus of lichen was found near Daohugou village in Ningcheng County.

The city was later conquered by the 12th-century Jurchen Jin dynasty, who also named it as their Middle Capital; later they renamed it as the Northern Capital after moving the court to present-day Beijing.

[4] Today, all that remains of the historical capital are two pagodas, one built by the Liao dynasty and one built by the Jin dynasty; they are located near Daming Town, about 20km west of the county government Tianyi Town, and about 120km south of the prefectural city Chifeng.

[7] Ningcheng County is made up of 3 subdistricts, 13 towns and 2 townships.