Thanks for the context @MalithHatananchchige 
Here’s another case, but in this one every database I checked disagrees with what IC records claim → Subnet Management - uzr34 (II) - Governance / NNS proposal discussions - Internet Computer Developer Forum (see Country Discrepancies (2) section)
If a node’s physical location can be easily spoofed, it sort of calls into question the effort that goes into checking decentralisation coefficients 