Santa María Jalapa del Marqués is a small city and a municipiality in the Mexican state of Oaxaca.

They are both part of the Tehuantepec District in the west of the Istmo Region.

[1] Jalapa del Marqués stands on Federal Highway 190, on the southern shore of the Presa Juárez reservoir.

The city serves as the municipal seat and administrative centre for the surrounding municipality of the same name.

[2] Santa María Jalapa del Marqués municipality governs the following communities: This article about a location in the Mexican state of Oaxaca is a stub.