Alchuka (Chinese: 阿勒楚喀; pinyin: Ālèchǔkā; Manchu: Alcuka, Alcuha), also Alchuka Manchu (Chinese: 阿勒楚喀满语) and the Alchuka dialect of Manchu (Chinese: 满语阿勒楚喀方言) is an extinct Tungusic language that was spoken near Harbin in Heilongjiang Province, northeastern China.
A detailed overview of Alchuka can be found in Hölzl (2020).
[1] Alchuka is the historical name of a town, now called Acheng District.
[1] Alchuka belongs to the Jurchenic subgroup of Tungusic.
Other Jurchenic languages include Written Manchu, Bala, and Chinese Kyakala.