2,200 (1990 census). 25 monolinguals.
West Oaxaca valley, Etla district, northwest of Oaxaca city, Santo Tomás Mazaltepec, San Pedro y San Pablo Etla, and San Andrés Zautla.
10% intelligibility of San Juan Guelavía [zab], none of other Zapotec varieties.
Approximately 58% are speakers. Home. All ages. Positive attitudes. Most also use Spanish [spa].