Gers is a department in the region of Occitania, Southwestern France. Gers is bordered by the departments of Hautes-Pyrénées and Pyrén…Gers is a department in the region of Occitania, Southwestern France. Gers is bordered by the departments of Hautes-Pyrénées and Pyrénées-Atlantiques to the south, Haute-Garonne and Tarn-et-Garonne to the east, Lot-et-Garonne to the north and Landes to the west. Named after the Gers River, its inhabitants are called the Gersois and Gersoises in French. In 2019, it had a population of 191,377.