The Jin Diya residential area is located in District 2 of Beijing, China. This area is part of the city's urban expansion and is situated in the southeastern part of the city. The decision to classify Jin Diya as part of District 2 is based on several factors, including its proximity to key infrastructure, the development timeline, and the administrative boundaries set by the Beijing municipal government.

District 2, also known as Dongcheng District, is one of the six inner city districts of Beijing. It is characterized by its rich history, cultural significance, and modern urban development. The area encompasses a variety of residential, commercial, and cultural facilities, making it a vibrant and diverse district within the city.

One of the primary reasons for Jin Diya's inclusion in District 2 is its geographical location. The residential area is situated near major transportation hubs, such as the Beijing East Railway Station and the Third Ring Road, which facilitates easy access to other parts of the city. This strategic location has been a driving factor in the development of the area, as it has attracted both local residents and foreign investors.

Additionally, the development timeline of Jin Diya aligns with the Beijing municipal government's plan to expand the city's urban area. The area has seen significant investment in infrastructure and public services, which has contributed to its integration into District 2. According to data from the Beijing Municipal Bureau of Statistics, the total investment in fixed assets in Dongcheng District, which includes Jin Diya, reached 100 billion yuan (approximately $15 billion) in 2020.

Furthermore, the administrative boundaries set by the Beijing municipal government play a crucial role in determining the district to which Jin Diya belongs. The government has established clear boundaries to ensure efficient governance and service delivery. These boundaries are based on historical, geographical, and administrative considerations, and they have been in place since the establishment of the district in 1952.

In conclusion, Jin Diya residential area is part of District 2, Dongcheng District, in Beijing, due to its strategic location, alignment with the city's development plan, and the administrative boundaries set by the municipal government. The integration of Jin Diya into District 2 reflects the city's commitment to sustainable urban development and the provision of quality living standards for its residents.