It borders the municipalities of Cosoleacaque to the east and south, Jáltipan to the west, and Oteapan to the northwest.

[6] It is conjectured that a group of Popoluca settlers from Oteapan founded a settlement in this location in the early 19th century, which was then called San Isidro Xumuapan.

[7] The municipal government comprises a president, a councillor (Spanish: síndico), and a trustee (regidor).

[4] In the 2010 Census, 3401 people or 32% of the population in Tepetzintla reported speaking an Indigenous language, of which 3341 spoke Nahuatl.

[10] Many of Zaragoza's inhabitants work in nearby cities such as Minatitlán, Jáltipan or Cosoleacaque, either in the service industry or for Pemex-related companies.