The largest city by population in the world is Tokyo, Japan. Tokyo is a bustling metropolis known for its significant cultural, economic, and political influence both nationally and globally. It boasts a population of over 37 million people in its metropolitan area, making it the most populous urban area worldwide. Tokyo is famous for its blend of traditional and modern attractions, including historic temples, gardens, and cutting-edge architecture. The city is also renowned for its advanced public transportation system, diverse culinary scene, and vibrant nightlife, attracting millions of tourists each year.