The best district in Hangzhou for residence is the Xihu District. This area is renowned for its scenic beauty, cultural heritage, and convenient amenities, making it an ideal choice for both locals and expatriates. According to the Hangzhou Statistical Yearbook, Xihu District has the highest per capita GDP and the lowest unemployment rate among all districts in Hangzhou. Additionally, the district boasts a well-developed infrastructure, including an extensive transportation network and numerous educational institutions.

Xihu District is home to the West Lake, a UNESCO World Heritage site, which offers residents unparalleled natural beauty and recreational opportunities. The lake is surrounded by historical sites, gardens, and temples, providing a rich cultural experience. The district also has a vibrant expatriate community, with numerous international schools and healthcare facilities catering to the needs of foreign residents.

The transportation system in Xihu District is highly efficient, with a comprehensive network of buses, taxis, and the Hangzhou Metro. This makes it easy for residents to commute to other districts or travel within the city. The district is also well-connected to major highways and the Hangzhou Xiaoshan International Airport, ensuring convenient access to other parts of China and the world.

In terms of education, Xihu District has a strong presence of prestigious schools and universities, including Zhejiang University and Hangzhou Normal University. This makes it an attractive destination for families with school-aged children. The district also has a variety of international schools, such as the Hangzhou International School and the Hangzhou No. 2 High School, which offer a diverse range of educational programs.

Healthcare facilities in Xihu District are among the best in Hangzhou. The district is home to several renowned hospitals, including the Hangzhou First People's Hospital and the Hangzhou Xihu Hospital. These facilities offer a wide range of medical services, including general care, specialized treatments, and emergency services.

Another advantage of living in Xihu District is the availability of high-quality housing options. The district has a mix of modern residential complexes and traditional courtyard houses, catering to different preferences and budgets. The housing market in Xihu District is also stable, with a low crime rate and a strong sense of community.

In conclusion, Xihu District is the best district in Hangzhou for residence due to its scenic beauty, cultural heritage, convenient amenities, and strong economic performance. The district's well-developed infrastructure, excellent educational and healthcare facilities, and diverse housing options make it an ideal choice for those seeking a high-quality of life in Hangzhou.