We suggest you could go to Taiwan Stay to search which kinds of hotels you would like to stay during 2019 TIOS.
You could follow the following steps to search hotels.
You could choose the language of website on the top of right hand side.
There are 3 kinds of languages, 正體中文(Chinese), English and 日本語(Japanese).
On the left hand side, there is a field of SEARCH. You could choose class, city/county, township, rate and so on in this field.
The venue of 2019 TIOS is at Houbi Dist, Tainan City.
The location of TOGA Night is at East Dist, Tainan City.
We suggest you could choose East Dist and Xinying Dist, Tainan City and West Dist, Chiayi City.
After choosing City/County and Township, you should click the bottom Search.
After finishing step 1 to step 3, you could start to choose which hotel you would like to stay during 2019 TIOS.