Valbroye

Cerniaz is first mentioned in 1444 as Sernia.^[3] Combremont-le-Grand is first mentioned in 911 as Cumbromo. In 1142 it was mentioned as Combremont.^[4] Combremont-le-Petit is first mentioned in 911 as Cumbromo. In 1142 it was mentioned as Combremont.^[5] Granges-près-Marnand is first mentioned in 881 as in fine Graniacense. In 1228 it was mentioned as Granges. The current name was adopted in 1952.^[6] Marnand is first mentioned in 1142 as Marnant.^[7] Sassel is first mentioned in 1177 as Sases.^[8] Seigneux is first mentioned around 1216-50 as Simuus.^[9]

Valbroye has an area, as of 2009^[update], of 33.61 square kilometers (12.98 mi²). Of this area, 22.41 km² (8.65 mi²) or 66.7% is used for agricultural purposes, while 8.49 km² (3.28 mi²) or 25.3% is forested. Of the rest of the land, 2.43 km² (0.94 mi²) or 7.2% is settled (buildings or roads), 0.17 km² (0.066 mi²) or 0.5% is either rivers or lakes.^[10]

The blazon of the municipal coat of arms is Per fess, 1: Paly of six, Argent and Gules, 2: Paly of six, Gules and Argent, overall a Bridge Sable masoned Argent, and in base Barry of six wavy Argent and Azure.

The historical population is given in the following chart:^{[3][4][5][6][7][8][11]}

The municipality has a railway station, Granges-Marnand, on the Palézieux–Lyss railway line. It has regular service to Lausanne, Palézieux, Payerne, and Kerzers.

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The entire villages of Combremont-le-Petit, Granges-près-Marnand and Sassel are designated as part of the Inventory of Swiss Heritage Sites.^[12]