How can I know if the Servers are in Europe?
The only way currently to know on which server you landed is checking the http headers in the network tab in developer console.
Thank you. but you have the certainty that there are servers in Europe …
Yes, a ton of Most of the servers right now are in Europe because of the current situation.
where can i find this official documentation?
There is no documentation for meet.jit.si deployment. If you have questions you can ask them here or you are welcome to join the official community call, more information on the main page on https://jitsi.org.