Vipera barani is a venomous viper species endemic to Turkey. No subspecies are currently recognized. The specific name, barani, is in honor of Turkish herpetologist İbrahim Baran. V. barani is a stoutly built species. Adult females are reported to reach a maximum total length (body + tail) of 60 cm (24 in). Adult males are shorter with a maximum total length of 54.5 cm (21.5 in). V. barani is found in northwestern Turkey. The type locality is listed as 'ca. 60 km N Adapazari, Türkei' (= Adapazari, Turkey). The species V. barani is listed as strictly protected (Appendix II) under the Berne Convention.