Grigny (French pronunciation: [ɡʁiɲi] ⓘ) is a commune in the southern suburbs of Paris, Île-de-France, France.

The Avenue des Sablons, as the town's main street, gives access to about 4,000 residential properties, and construction is still in progress.

[5] On 8 July 2016, police investigated a burned car and were greeted by several bowling balls, glass bottles and stones thrown from towers.

Five policemen were wounded by the missile throwing and it took reinforcements of the National Gendarmerie to restore calm.

Some thirty people armed with stones, bottles and iron bars forced a police patrol to turn back and were later joined by 70 others.