Saint-Julien-l'Ars
Commune
The church in St. Julien l'Ars
Coat of arms
Location of Saint-Julien-l'Ars
Saint-Julien-l'Ars Show map of France Saint-Julien-l'Ars Show map of Nouvelle-Aquitaine
Coordinates: 46°33′34″N 0°30′39″E / 46.5594°N 0.5108°E / 46.5594; 0.5108
Country	France
Region	Nouvelle-Aquitaine
Department	Vienne
Arrondissement	Poitiers
Canton	Chasseneuil-du-Poitou
Intercommunality	CU Grand Poitiers
Government
• Mayor (2021–2026)	Béatrice Vanneste[1]
Area 1	18.46 km2 (7.13 sq mi)
Population  (2021)[2]	2,863
• Density	160/km2 (400/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	86226 /86800
Elevation	104–130 m (341–427 ft) (avg. 120 m or 390 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Saint-Julien-l'Ars is a commune in the Vienne department in the Nouvelle-Aquitaine region in west-central France.

The climate is oceanic with temperate summers.

The inhabitants are called Sacto-Julianais in French.^[3]

The town of Saint-Julien-l'Ars is located on D951 nine miles east of Poitiers' town center. Traces of occupation dating from the Gallo-Roman period were found there (vestiges of workshops, a sculpted head, etc.).^[5] A Merovingian cemetery was found in the proximity of the church.

Owned by the Counts of Poitiers,^[6] it was granted to Trinity Abby of Poitiers in 964, which gave it as a fief to the Cléret family who built the château originally as a Keep near Roman cross roads and on the ruins of an old Roman castrum and kept the estate until 1687. Chateau St. Julien l'Ars still stands after extensive renovations done in the 1860s by Robert de Beauchamp. The estate is now owned and operated as a destination wedding venue by the Gubelman family who acquired the estate in 2001.

Before 1790, Saint-Julien-l'Ars was part of the Archparish^{[Note 1]} of Morthemer, Castellany and Bailiwick of Poitiers.

Saint-Julien-l'Ars welcomed the progress of the French Revolution and planted the Tree of Freedom to symbolize it. It became the rallying point for all the major festivals and events related to the revolution including the anniversary of the execution of King Louis XVI.^[7]

Following the decree of the National Convention of 25 Vendémiaire Year II (16 October 1793), communes with names that reflected royalty, feudalism or superstition were invited to change their names; thus the commune's name was changed to La Reunion.^[8]

Saint-Julien-l'Ars merged with the commune of Savigny-l'Evescault on 10 November 1819. It returned to being a separate commune on 12 January 1870.^[9]

Saint-Julien-l'Ars Station was commissioned on 18 June 1883 by the State, to exploit the Mignaloux-Nouaille-to-Chauvigny section of the Saint-Benoît-to-Blanc rail line.^[10]

• Communes of the Vienne department

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