Sinp'yà Âng County is a county in North Hwanghae province, North Korea. The Mannyon mine is located at Mannyon-rodongjagu.
Sinp'yà Âng County is located in North Hwanghae province from the coast, near the Nam River and its mainstream, Taedong River in Pyongan Province.
Sinp'yà Âng county is divided into 1 à Âp (town), 2 rodongjagu (workers' districts) and 11 ri (villages):
Sinpyong County has a trolleybus line in Mannyon-rodongjagu. The line closed in early 2000s and has been partially dismantled since then, but still has a complete network of poles on the south side of the road.