Odorrana trankieni
It is endemic to Vietnam , only known from vicinity of its type locality in Phu Yen District of Sơn La Province . 
<triplet> Vietnam <subj> Sơn La Province <obj> contains administrative territorial entity <triplet> Phu Yen District <subj> Vietnam <obj> country <subj> Sơn La Province <obj> located in the administrative territorial entity <triplet> Sơn La Province <subj> Vietnam <obj> country