Chavenay
| Chavenay | |
|---|---|
| The town hall in Chavenay | |
| Location of Chavenay | |
| Coordinates: 48°51′16″N 1°59′14″E / 48.8544°N 1.9872°E | |
| Country | France | 
| Region | Île-de-France | 
| Department | Yvelines | 
| Arrondissement | Saint-Germain-en-Laye | 
| Canton | Saint-Cyr-l'École | 
| Government | |
| • Mayor (2020–2026) | Myriam Brenac | 
| Area 1 | 6.03 km2 (2.33 sq mi) | 
| Population  (2022) | 1,741 | 
| • Density | 290/km2 (750/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 78152 /78450 | 
| Elevation | 71–129 m (233–423 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. | |
Chavenay (French pronunciation: [ʃavnɛ] ⓘ), also known as Vallon de Chavenay, is a commune in the Yvelines department in the Île-de-France region in north-central France. It is located close to Saint-Nom-la-Bretèche, Saint-Germain-en-Laye, and Versailles.