The best district in Jiangmen, China, is considered to be Xinhui District. This district is renowned for its rich cultural heritage, historical significance, and economic development. Xinhui District is home to the famous Chen Clan Ancestral Hall, a UNESCO World Heritage site, which attracts numerous tourists annually. The district also boasts a vibrant economy, with a strong focus on agriculture, particularly the cultivation of rice and tea, and a growing industrial sector.

Data from the Jiangmen Municipal Bureau of Statistics indicates that Xinhui District has seen significant economic growth over the past decade. In 2020, the GDP of Xinhui District reached 45.2 billion yuan, accounting for approximately 20% of the total GDP of Jiangmen City. This economic growth is attributed to the district's strategic location, which facilitates trade and transportation, as well as its commitment to diversifying its economic base.

The cultural and historical significance of Xinhui District cannot be overstated. The Chen Clan Ancestral Hall, built in the late 19th century, is a prime example of traditional Chinese architecture and craftsmanship. It is not only a testament to the wealth and power of the Chen family but also a symbol of the region's rich history. The hall's intricate wood carvings, stone sculptures, and ceramic tiles are a testament to the skill and artistry of the artisans who created them.

Furthermore, Xinhui District is known for its culinary delights, particularly its preserved meats and pickled vegetables. The district's cuisine has been recognized as one of the eight major regional cuisines of China, with dishes like "Xinhui Salted Pork" and "Xinhui Pickled Cabbage" being particularly famous. This culinary heritage is another reason why Xinhui District is often considered the best district in Jiangmen.

In conclusion, Xinhui District is the best district in Jiangmen due to its rich cultural heritage, historical significance, and economic development. The district's strategic location, commitment to preserving its cultural identity, and focus on economic diversification have all contributed to its status as the premier district in the region.