Lattes is a commune in the Hérault département in the Occitanie region in southern France, located just on the outskirts of Montpellier. Lattes i…Lattes is a commune in the Hérault département in the Occitanie region in southern France, located just on the outskirts of Montpellier. Lattes is located in the South of the prefecture of Montpellier in a plain split by the river Lez, that flows to the Mediterranean Sea at Palavas-les-Flots. Stretching from west to east, the hills announce the typical relief within the department.