"Greater China" refers to a geographic and cultural region that includes the People's Republic of China (PRC), the Republic of China (Taiwan), and the Special Administrative Regions of Hong Kong and Macau. This area is characterized by shared historical, linguistic, and cultural ties, with Mandarin being the most widely spoken language. The term is often used in economic contexts to describe the interconnected markets and trade relationships within these regions. Greater China plays a significant role in the global economy, with major cities like Beijing, Shanghai, and Taipei serving as important financial and cultural hubs.