Isthmus Zapotec
Isthmus Zapotec, also known as Juchitán Zapotec (native name diidxazá; Spanish: Zapoteco del Istmo), is a Zapotecan language spoken in Tehuantepec and Juchitán de Zaragoza, in the Mexican state of Oaxaca.
Guevea de Humboldt Zapotec, a different language, is sometimes referred to as "Northern Isthmus Zapotec."