Which wards are bustling with foreign residents? Which ward has the most expensive rent in Tokyo? Which wards are crowded with the riches? Only by knowing these answers can you say that you really like Tokyo! That's why I'd like to dedicate this to those who love Tokyo all over the world, and I've summarized the things that make traveling to Tokyo even more fun if you know them in a ranking style. If you read this article, you also have a Ph.D. in the 23 wards of Tokyo!