XHGEO-FM is a radio station on 91.5 FM in Guadalajara, Jalisco, Mexico. The station is owned by Grupo Promomedios and carries a news/talk format known as Zona Tres.

XHGEO received its first concession on January 16, 1970 and was known as Estéreo Mundo, broadcasting mostly instrumental and beautiful music. It later branded as 91-X with a pop format and as Factor 91. In 2006 it became adult contemporary Ultra FM. That format moved to XEAAA-AM 880 in 2011, making way for Zona Tres.