Guangzhou has a total area of 7434.40 square kilometers and a permanent population of 15.3059 million. In 2020, it achieved a GDP of 2501.911 billion yuan; the capital of Guangdong Province, the political, economic, technological, educational and cultural center; an important national center city, an international trade center, and a comprehensive Transportation hub; with a history of more than 2,200 years, the origin of the ancient Maritime Silk Road; China's oldest and only foreign trade port that has never been closed; known as the "millennium business capital"; the climate is pleasant and the forest coverage rate reaches 42.14%; was named "International Garden City" by the United Nations; won the United Nations Best Practice Award for Improving the Human Settlement Environment.