Key Points:
Tokyo is one of the top cities to visit in the world, and is also an important part of travelling around the world.
Nomadic Matt has provided a pretty good travel guide for Tokyo.
The primary things to do in Tokyo include: Ueno Park and Asakusa (1 day), Imperial Palace and National Art Center (1 day), Tokyo Disneyland (1 day), Tokyo Tower and Rainbow Bridge (1 day).
According to Wikipedia, "Tokyo, formerly Edo, historically Tokio, and officially the Tokyo Metropolis, is the capital and largest city of Japan. Located at the head of Tokyo Bay, the prefecture forms part of the Kantō region on the central Pacific coast of Japan's main island of Honshu. Tokyo is the political and economic center of the country, as well as the seat of the Emperor of Japan and the national government."
Here we quote the best way to travel in Tokyo provided by Nomadic Matt, a New York Times best-selling author of How to Travel the World on $50 a Day and Ten Years a Nomad, as well as the founder of his website.
Check ChatGPT's answer for alternative itinerary.