Id221
The launch site of the Ariane 5 was ELA-3 launchpad, which is operated by Arianespace. The ELA-3 is located at the Guiana Space Centre in Kourou, French Guiana.
Guiana Space Centre | location | Kourou, French Guiana ELA-3 | site | Guiana Space Centre Ariane 5 | launch site | ELA-3 ELA-3 | operator | Arianespace