Hi @Mike05 , if under the same Org then yes you should be able to use the Meraki Auto VPN functionality to set up your site to site VPN. And yes, the magic happens in the Meraki cloud
if they were in different Orgs then you would have to configure the VPNs statically on each dashboard.
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.