The capital of the Republic of China is Taipei, a 6-letter word. Taipei is the largest city and the political, economic, and cultural center of Taiwan. It is located in the northern part of the island and is home to over 7 million people. Taipei is known for its vibrant night markets, temples, and modern skyscrapers. It is also a major transportation hub, with an international airport and several high-speed rail lines connecting it to other cities in Taiwan.