Rosières-en-Santerre
The church in Rosières-en-Santerre
Coat of arms
Location of Rosières-en-Santerre
Show map of Hauts-de-France Coordinates:49°48′54″N 2°42′11″E / 49.815°N 2.7031°E /49.815; 2.7031 Country France Region Hauts-de-France Department Somme Arrondissement Péronne Canton Moreuil Intercommunality CC Terre de Picardie Government
• Mayor(2020–2026) Françoise Maille-Barbare[ 1] 12.98 km2 (5.01 sq mi) Population 2,928 • Density 225.6/km2 (584.2/sq mi) Time zone UTC+01:00 (CET ) • Summer (DST ) UTC+02:00 (CEST )INSEE /Postal codeElevation 70–106 m (230–348 ft) (avg. 91 m or 299 ft) 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.