Correct
东三省
/ dōngsān shěng /
Strokes
Definition
the three provinces of Northeast China, namely: Liaoning Province 辽宁省[liáo níng shěng], Jilin Province 吉林省[jí lín shěng] and Heilongjiang Province 黑龙江省[hēi lóng jiāng shěng]
Example
As a Noun
Three Northeast Provinces ［China's Liaoning, Jilin, and Heilongjiang provinces］