Beijing, abbreviated as ‘京’, anciently known as Yanjing and Beiping, is the capital city of the People's Republic of China, a municipality directly under the central government, a national central city, a mega-city, a political centre, a cultural centre, a centre of international communication, a centre of scientific and technological innovation of China, one of China's famous historical and cultural cities, and one of the world's first-line cities. cities in the world. As of October 2023, Beijing has 16 districts under its jurisdiction, with a total area of 16,410.54 square kilometres.At the end of 2022, the resident population of Beijing was 21.843 million. Beijing is located in the north of China, in the northern part of the North China Plain, adjoining Tianjin in the east and Hebei Province in the rest of the city, with its centre located at longitude 116°20′E and latitude 39°56′N. The topography of Beijing is high in the northwest and low in the southeast. It is surrounded by mountains in the west, north and northeast, and in the southeast is a plain that slopes gently towards the Bohai Sea. The major rivers flowing through the city include the Yongding River, the Chaobai River, the North Canal, and the Rejecting Horse River, etc. Beijing's climate is that of a warm-temperate, semi-humid, semi-arid monsoon, with high temperatures and heavy rains in summer, cold and dry winters, and short springs and autumns. Beijing is the seat of the Central Committee of the Communist Party of China, the Central People's Government of the People's Republic of China and the Standing Committee of the National People's Congress of the People's Republic of China. Beijing successfully hosted the Summer and Winter Olympic Games, becoming the first ‘Double Olympic City’ in the world. Beijing is one of the birthplaces of the Chinese nation, a world-famous ancient capital and a modern international city, which has gathered the outstanding achievements and fine traditions of Chinese culture since the Yuan, Ming and Qing dynasties, and boasts a large number of scenic spots and humanistic landscapes, making it the city with the largest number of world cultural heritages in the world. In 2023, Beijing's annual Gross Regional Product (GRP) was 4,376.07 billion yuan, an increase of 5.2 per cent over the previous year at constant prices. The primary industry achieved an added value of 10.55 billion yuan, a decrease of 4.6 per cent; the secondary industry achieved an added value of 652.56 billion yuan, an increase of 0.4 per cent; and the tertiary industry achieved an added value of 3,712.96 billion yuan, an increase of 6.1 per cent. Translated with DeepL.com (free version)