---
title: "Reference data"
slug: "reference-data"
abstract: "Introduction to what reference data xDB Data Migration Tool maps from Sitecore 8.x to Sitecore 9."
---
# Reference data

This section describes the reference data that is mapped from Sitecore 8.x to Sitecore 9.

- [Geo IPs](https://doc.sitecore.com/xp/en/developers/dmt/50/xdb-data-migration-tool/geo-ips.html "Geo IPs")
- [Locations](https://doc.sitecore.com/xp/en/developers/dmt/50/xdb-data-migration-tool/locations.html "Locations")