Tokyo hotels are now a days mostly westernized. All western-style hostels and hotels in Tokyo have English speaking stuff. Most of these hotels are affiliated to big hotel chains from the USA or Europe and you can pretty much expect the same standards in terms of accommodation and service. It is pretty much you get what you pay for and what you are used to. However if you do want to gain the experience of staying in a traditional Japanese hotel there is lots of opportunities in Tokyo too.
Tokyo Hotels
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Budget Hotels - Inns
If you are particualrly drawn to the low end budget hotel range of Tokyo than it might be worth while having a look areas such as Taito, Ueno, Asakusa and Yokohama. In the surburbs of Tokyo you might get a bit more space for your money or simply spent less on accommodation. The Tokyo Metro is highly advanced and connects you pretty much anywhere you are in the city. You might have already heard of those Japan specific capsule hotels in Tokyo which are definitely made for visitors seeking cheap hotels. Bear in mind that if you go for the capsule hotels you will have to confront some of the cultural aspects and difference in Japan compared to the western world. Capsule hotels for instance only take on male guests.