Fontaine-sous-Montdidier
Commune
Location of Fontaine-sous-Montdidier
Fontaine-sous-Montdidier Show map of France Fontaine-sous-Montdidier Show map of Hauts-de-France
Coordinates: 49°39′27″N 2°31′10″E / 49.6575°N 2.5194°E / 49.6575; 2.5194
Country	France
Region	Hauts-de-France
Department	Somme
Arrondissement	Montdidier
Canton	Roye
Intercommunality	Grand Roye
Government
• Mayor (2020–2026)	Dominique Fievez
Area 1	9.03 km2 (3.49 sq mi)
Population  (Jan. 2019)[1]	108
• Density	12/km2 (31/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	80326 /80500
Elevation	46–127 m (151–417 ft) (avg. 100 m or 330 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Fontaine-sous-Montdidier is a commune. It is in Hauts-de-France in the Somme department in north France.

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