Plachy-Buyon

Plachy-Buyon (French pronunciation: [plaʃi bɥijɔ̃]; Picard: Plachy-Bion) is a commune in the Somme department in Hauts-de-France in northern France.

Plachy-Buyon
Commune
The church in Plachy-Buyon
Coat of arms
Location of Plachy-Buyon
Plachy-Buyon Plachy-Buyon
Coordinates: 49°48′59″N 2°13′11″E
Country	France
Region	Hauts-de-France
Department	Somme
Arrondissement	Amiens
Canton	Ailly-sur-Noye
Intercommunality	CC Somme Sud-Ouest
Government
• Mayor (2020–2026)	Jean-Luc Huyon
Area 1	10.13 km2 (3.91 sq mi)
Population  (2023)	897
• Density	88.5/km2 (229/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	80627 /80160
Elevation	37–122 m (121–400 ft) (avg. 40 m or 130 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Geography

The commune is situated on the D8 road, some 8 miles (13 km) south of Amiens, in the valley of the Selle river, a tributary of the Somme. It is heavily influenced by the proximity of Amiens. 28% of the inhabitants are under the age of twenty.

Population

Historical population

Year	Pop.	±% p.a.
1968	340	—
1975	462	+4.48%
1982	767	+7.51%
1990	799	+0.51%
1999	929	+1.69%
2007	894	−0.48%
2012	896	+0.04%
2017	878	−0.41%
2023	897	+0.36%
Source: INSEE

Places of interest

• The new mairie, inaugurated on 14 October 2006.
• The old paper mill. Built around 1838–1844, on the site of an old watermill.
• Protected wooded valley site.
• The nineteenth century church of Saint-Martin.
• Traces of two Gallo-Roman villas.

See also

• Communes of the Somme department