Is Instituto de Estudios Superiores del Sureste officially listed as a higher-education provider in Mexico?

Yes. Instituto de Estudios Superiores del Sureste is represented in SEP's current national work-centre catalogue under parent CCT 07MSU0010P. This confirms the dated provider identity and current catalogue presence, not every programme or professional entitlement.

Where is Instituto de Estudios Superiores del Sureste located?

SEP records Instituto de Estudios Superiores del Sureste's provider headquarters in VILLAFLORES, CHIAPAS. The recorded address is CALZADA DE LOS MAESTROS KILOMETRO 1.8, 0, 20 DE NOVIEMBRE, VILLAFLORES, CHIAPAS, 30470. The SEP-designated institutional website is https://www.iessuniversidad.edu.mx.