Hi there,

We're noticed you're adding the role admin_centro to some administrative regions:
- Castilla y León (this changeset)
- Castilla-La Mancha (https://www.openstreetmap.org/changeset/151927389)
- Euskadi (https://www.openstreetmap.org/changeset/151927015)

Those roles were removed on purpose. Such regions lack of any capital.

In case you need a node to identify/determine the regions, you may use the label role instead.

Regards