It's useful to be aware of these places before you start exploring.
- Kamagasaki, Osaka. The largest homeless population in Japan is in Kamagasaki. ...
- Kabukicho, Tokyo. Not only is Kabukicho the biggest red-light district in the country, but it's also the largest in the world. ...
- Roppongi, Tokyo. ...
- Shinsekai, Osaka. ...
- Ueno, Tokyo.
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