Crucial criteria for location warehouse which has been relatively ignored in humanitarian logistics as compared to in commercial logistics. Rather, a significant body of literature only focused on optimal pre-positioned warehouse locations for humanitarian relief logistics. The results of this empirical research, which is one of the first to identify warehouse location decision factor in humanitarian relief logistics, can be utilized as a stepping stone for further research in this field. Secondly, this research proposed a systematic decision hierarchical structure verified by interviews with international organizations’ experts in this field.