Bangkok: We cover lodging establishments which offer dormitory beds, private rooms with shared bathroom, or rooms without air-con (fan only rooms).
Other City : Establishment which contains "guest house" , or "house" in its name.

There are four backpacker areas in Bangkok. You can find most of accommodations in these areas on SoiDB. Please follow links below for detailed maps
Khaosan: The world famous backpacker paradise.
Thewet: Located on north of Khaosan.
Soi Kasemsan 1: Near BTS National Stadium. Waling distance from Siam Paragon and Siam Square.
Soi Ngam Duphli: Eastern outskirt of Silom-Sathorn Area.

Although we separate guest house from our hotel list in above criteria, it is often difficult to decide which one is which. If you can not find your favorite guest house, please search "Hotel" section.