Jalainur District or Zhalainuo'er District (Mongolian: ᠵᠠᠯᠠᠢᠨᠠᠭᠤᠷ ᠲᠣᠭᠤᠷᠢᠭ; Chinese: 扎赉诺尔区), an urban district under Manzhouli's administration, is listed as a district of Hulunbuir officially and located in the northeast of Inner Mongolia.[2]
Jalainur is made up of 5 subdistricts and 1 town.
Jalainur's railway station is the midway stop between Manzhouli, the port city that stands close to the Russian border and Hailar District the seat of Hulunbuir. It is on the famous Manchuria branch of the Trans-Siberian express route and China National Highway 301.
A scale model of Moscow's Cathedral of the Intercession of the Most Holy Theotokos on the Moat (popularly known as Saint Basil's Cathedral) has been built in Jalainur. The building houses a science museum.[3]