The centre of Décines is located southwest of the Grand-Large reservoir. The commune is divided in two by the Canal de Jonage, a deviation of theRhône, on which the reservoir was formed. The centre ofLyon is located 12 km (7.4 mi) west. The surrounding communes are:
Décines-Charpieu left the department ofIsère and joined the department of Rhône on 21 February 1968 to become a member of theUrban Community of Lyon per 1 January 1969. On 1 January 2015, it administratively left the department of Rhône to join the newly-formedMetropolis of Lyon.
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As of 2009[update] there were nine public preschools (maternelles),[5] nine public elementary schools (some preschools and elementary schools are grouped into combined primary schools), two public junior high schools (Collège Georges Brassens and Collège Maryse Bastie), and one public senior high school/sixth-form college (Lycée d'Enseignement Polyvalent Chaplin-Becquerel).[6]
There is one Catholic private day school, École maternelle/primaire/Collège Jeanne d'Arc.[5]
Parc Olympique Lyonnais hosted the men and women's football tournaments at the2024 Summer Olympics.[9] It also hosted the WWEBacklash France event on 4 May 2024.