Yes, Zotz is definitely a goth band because most of their albums belong to the Deathrock genre, which is a core subgenre of goth music. Albums like Amargura, Demo MMXIV, and Ultima Noche are examples of their goth sound.
Zotz is located in Mexico, Mexico City, active in 2014 — present. You can find more information about Zotz on their GothDB band page.
Want to check if another band is goth? Search other bands.