China, officially the People's Republic of China, is a sovereign state located in East Asia, recognized globally as one of the world's oldest continuous civilizations and a major economic, political, and cultural power. Background Situated primarily between latitudes 18° and 54° N, China spans approximately 9.6 million square kilometers, making it the fourth-largest country by land area and the third-most populous nation globally. Its territory encompasses diverse geographical features, including vast plains, high plateaus, extensive river systems such as the Yangtze and Yellow Rivers, and lo...