La Encrucijada Biosphere Reserve
It covers stretching over six municipalities in the Costa de Chiapas ( Pijijiapan , Mapastepec , Acapetahua , Villa Comaltitlan , Huixtla and Mazatán ) . 
<triplet> Costa de Chiapas <subj> Pijijiapan <obj> contains administrative territorial entity <subj> Mapastepec <obj> contains administrative territorial entity <subj> Acapetahua <obj> contains administrative territorial entity <subj> Villa Comaltitlan <obj> contains administrative territorial entity <subj> Huixtla <obj> contains administrative territorial entity <subj> Mazatán <obj> contains administrative territorial entity <triplet> Pijijiapan <subj> Costa de Chiapas <obj> located in the administrative territorial entity <triplet> Mapastepec <subj> Costa de Chiapas <obj> located in the administrative territorial entity <triplet> Acapetahua <subj> Costa de Chiapas <obj> located in the administrative territorial entity <triplet> Villa Comaltitlan <subj> Costa de Chiapas <obj> located in the administrative territorial entity <triplet> Huixtla <subj> Costa de Chiapas <obj> located in the administrative territorial entity <triplet> Mazatán <subj> Costa de Chiapas <obj> located in the administrative territorial entity