How many places in Taiwan are called Koan?

There is one place named Koan in Taiwan.

All places in the world called "Koan".

Location Koan:

• T'ai-wan

Cities

Tuku (3)
Chungho (3)
Fuhsingli (3)
Chungchou (3)
Sankuaitso (3)
Choutzu (3)
Peishan (3)
Shantzuchiao (3)
Pingting (3)
Puhou (3)
Chunglun (3)
Chingshuitsun (2)
Chunghsingtsun (2)
Futekeng (2)
Hsiachuang (2)
Hsinchieh (2)
Hsiwei (2)
Kuanyintsun (2)
Lotso (2)
Neikang (2)
Pingtung (2)
Shanchuhu (2)
Shiherhchia (2)
Taan (2)
Tapingtsun (2)
Tutzutou (2)
Yenping (2)
Chiangtzutsui (2)
Chiuchieh (2)
Fanshe (2)