Shangdong City belongs to the Chinese community. This classification is based on the city's geographical location within the People's Republic of China. Shangdong, also known as Shandong, is a province located on the eastern coast of China, bordering the Yellow Sea. The province is known for its rich history, cultural heritage, and economic significance in the country.

The Chinese community encompasses a vast array of ethnic groups, with the Han Chinese being the predominant group. Shandong, being a province in China, is predominantly inhabited by Han Chinese. The cultural, linguistic, and historical ties that bind the people of Shandong to the broader Chinese community are evident in various aspects of their daily lives, including language, traditions, and social customs.

Data from the China National Bureau of Statistics indicates that as of 2020, the population of Shandong was approximately 100 million, with the Han Chinese accounting for the vast majority of this population. The cultural and historical significance of Shandong is further highlighted by its status as the birthplace of Confucius, a pivotal figure in Chinese philosophy and education. The province's cultural heritage, including its traditional arts, literature, and cuisine, are deeply rooted in the Chinese community.

Shandong's economic contributions to China are also a testament to its integration within the Chinese community. The province is one of the most developed regions in China, with a strong industrial base and a significant agricultural sector. This economic prosperity is closely tied to the broader Chinese economy, reflecting the interconnectedness of the province with the rest of the country.

In conclusion, Shangdong City belongs to the Chinese community due to its geographical location within China, its predominantly Han Chinese population, and its rich cultural, historical, and economic ties to the broader Chinese society.