Tressan (French pronunciation: [tʁɛsɑ̃]; Occitan: Treçan) is a commune in the Hérault department in the Occitanie region in southern France.

Tressan is located on the road between Gignac and Pézenas, extending across a hill in the Hérault Valley.

The neighboring communes are Canet, Le Pouget, Puilacher, Bélarga, Paulhan and Aspiran.

[6][7] For the future, climate parameters for the commune projected for 2050, based on different greenhouse gas emission scenarios, can be consulted on a dedicated website published by Météo-France in November 2022.

[l 2] Additionally, Tressan belongs to the Montpellier attraction area, where it is designated as a commuter town.