Its impossible to say exactly with the level of information provided.
If your internal networking scheme and design is remaining unchanged, you can simply move the devices and connect them up as they were before.
They should reach the cloud as normal via the internet exit at the new location.
If your internal network/IP addressing is changing, you will need to do a lot more work to prepare the configuration changes for the Meraki dashboard and updating the management up of each device from the local status page.
If you are completely unsure, it may be worth engaging a partner/consultant to assist.