Montilliez

Dommartin is first mentioned in 908 as Domno Martino villa.^[3] Naz is first mentioned around 1200 as Nars.^[4] Poliez-le-Grand is first mentioned around 1160-79 as Poleto. In 1225 it was mentioned as Pollie lo Grant.^[5] Sugnens is first mentioned in 1177 as Sugnens.^[6]

Montilliez has an area, as of 2009^[update], of 15.07 square kilometers (5.82 mi²). Of this area, 10.13 km² (3.91 mi²) or 67.2% is used for agricultural purposes, while 3.72 km² (1.44 mi²) or 24.7% is forested. Of the rest of the land, 1.05 km² (0.41 mi²) or 7.0% is settled (buildings or roads).^[7]

The municipality has a railway station, Sugnens, on the suburban Lausanne–Bercher line.

The historical population is given in the following chart:^{[3][4][5][6][8]}