Ping'an District (simplified Chinese: 平安区; traditional Chinese: 平安區; pinyin: Píng'ān Qū) formerly known as Ping'anyi (simplified Chinese: 平安驿; traditional Chinese: 平安驛; pinyin: Píng'ānyì), is an administrative district and the seat of the city of Haidong, in the east of Qinghai Province, China, located about 35 km (22 mi) east from Xining.

Its postal code is 810600, and its population is 127,480, 29.4% of whom belong to ethnic minorities.

[1] Ping'an District is divided into two subdistricts, one town, five townships, and one other township-level division.

[2] The district's sole town is Sanhe (Chinese: 三合镇; pinyin: Sānhé Zhèn).

[2] The district's five township-level divisions are Hongshuiquan Township [zh] (Chinese: 洪水泉乡; pinyin: Hóngshuǐquán Xiāng), Shihuiyao Township (Chinese: 石灰窑乡; pinyin: Shíhuīyáo Xiāng), Gucheng Township (Chinese: 古城乡; pinyin: Gǔchéng Xiāng), Shagou Township (Chinese: 沙沟乡; pinyin: Shāgōu Xiāng), and Bazanggou Township [zh] (Chinese: 巴藏沟乡; pinyin: Bāzànggōu Xiāng).