The Ariane 5 is a medium-sized rocket, which can be used to launch most payloads into space.
It is assembled as follows:
In reality, the Ariane 5 is one of the main rockets currently launching payloads, along with Falcon 9 and Soyuz rockets. The normal launch weight of an Ariane 5 is roughly 780 metric tonnes, while it can put payloads of up to 20 metric tons into LEO and 10 metric tons into GEO. The launch site is the Guiana Space Center, which lauches the Ariane 5, as well as Soyuz and Vega launch vehicles.
The next launch of the Ariane rocket can be found here.