Extend a WorldGuard region vertically without replacing its members

Applies to: WorldGuard; match the linked maintainer documentation to your installed platform and release.
Documentation checked 9 November 2026.

A region selected too shallowly may protect the floor while leaving an upper build exposed. Redefine the bounds carefully so the region identity, membership and policy remain intact.

Follow the procedure

Inspect the existing region in the correct world with /rg info REGION. Save its bounds, flags, parent, priority, owners and members before selecting new geometry.
Use the documented WorldGuard selection command to load the region into your WorldEdit selection. Confirm the selected world and both horizontal corners.
Adjust only the intended vertical bounds with supported WorldEdit selection controls. Choose the actual required height range rather than assuming every world uses the same build limits.
Check the new volume and any neighbouring protected areas. A full-height expansion may protect more underground or aerial space than the plot owner intended.
Use the documented /rg redefine REGION command on the reviewed selection. Reinspect the region immediately and compare flags and domain entries with the saved values.
Test a disposable build action just inside the new upper boundary and just outside it using an ordinary player. Check a previous protected point to confirm old coverage remains.

Check the result

The region should cover the revised vertical volume while preserving its existing identity and recorded policy. Verify the geometry and player behaviour together. Seeing the same region name in a list does not prove the new selection was in the intended world.

If the result is wrong

If the bounds are wrong, reselect the saved original volume and redefine that same region. Do not delete and recreate it as a shortcut, since that risks losing domain and flag settings. Restore from a coordinated region backup only if the recorded configuration cannot be recovered directly.

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