if You are going to go to Japan , so i found this: tatami - a thick rectangular mat of woven straw, used as a standard to measure a Japanese room

Tatami room means you will lay out a futon and sleep on the floor. As opposed to a western room which has a bed. Tatami rooms are fantastic. There are no chairs so you'll want to learn to sit on the floor.

A Washitsu is a japanese- style room is a traditional japanese- style room with tatami flooring and possibly shoji and a tokonoma it usually has fusuma sliding rather hinged doors from the picture i saw at ww.thefreedictionary.com, it looks a nice room for more information check it

Tatami - Tatami|畳 (originally meaning "folded and piled") mats are a traditional type of Japanese flooring. Traditionally made of rice straw to form the core (though nowadays sometimes the core is composed of compressed wood chip boards or polystyrene foam), with a covering of woven soft rush straw ...

I guess it is "tatami" room of Japanese style＾＾ as everybody say. You can ask the hotel to make sure if it is. It seems that Chinese hotel has started taking in it recently coping with customer's needs. I think it will have so special taste for beginners, however someone may feel inconvenient in this style. Example of tatami room: http://www.s-hoshino.com/f_photo/onsen/on_038.html The tatami room in this photo is flat everywhere, but there are also room with difference in level.