The document discusses the region of Northeast China (Dongbei), including the provinces of Liaoning, Jilin, and Heilongjiang. It then focuses on the city of Shenyang in Liaoning province. Shenyang has a multicultural and multi-religious population that practices Buddhism, Christianity, Islam, Taoism, and Catholicism. Various religious sites are mentioned, including churches, mosques, and temples built in different historical periods. The architectural styles reflect the religions' places of origin.