Riom

Riom
Subprefecture and commune
Buildings of Riom
Coat of arms
Location of Riom
Riom Riom
Coordinates: 45°53′40″N 3°06′48″E
Country	France
Region	Auvergne-Rhône-Alpes
Department	Puy-de-Dôme
Arrondissement	Riom
Canton	Riom
Intercommunality	CA Riom Limagne Volcans
Government
• Mayor (2020–2026)	Pierre Pécoul
Area 1	31.97 km2 (12.34 sq mi)
Population  (Jan. 2019)	19,004
• Density	590/km2 (1,500/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	63300 /63200
Elevation	314–505 m (1,030–1,657 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Riom is a commune. It is in Auvergne-Rhône-Alpes in the Puy-de-Dôme department in central France.