what is the capital of Japan.

Check this map. The capital is printed in red.

http://web-japan.org/kidsweb/explore/map/index.html

The capital of Japan is Tokyo. To find the answer to this question, you can use various methods:

1. General Knowledge: If you have prior knowledge or basic understanding of countries and their capitals, you might already know that Tokyo is the capital of Japan.

2. Internet Search: You can use search engines like Google, Bing, or Yahoo and type in "capital of Japan" or a similar query. The search engine will display the answer at the top of the search results.

3. Encyclopedias or Reference Books: You can refer to encyclopedias or reference books that provide information about countries and their capitals. Look up the entry for Japan in such sources to find the capital.