We have an exciting new map source available free for all Gaia GPS users—the official IGN topo maps for Spain.
You can find Spain IGN Topo in Gaia GPS, under the International category, by following these instructions:
Add map sources in Gaia for iOS
Add map sources in Gaia for Android
We want to provide the best, most up-to-date maps available for the whole world, and constantly search for ways to improve the Gaia sources list. Add your requests to this existing Idea Forum thread about additional map sources.
If you have any other questions or feedback, reach out to us at support@gaiagps.com.