{"source":"semconv","version":"1.44.0","attribute":{"id":"gcp.gce.instance_group_manager.region","type":"string","stability":"development","brief":"The region of a **regional** Instance Group Manager (e.g., `us-central1`). Set this **only** when the IGM is regional.","examples":["us-central1","europe-west1"],"namespace":"gcp","definedIn":"model/gcp/registry.yaml","usedBy":[{"groupId":"entity.gcp.gce.instance_group_manager","groupType":"entity","signalName":"gcp.gce.instance_group_manager","requirementLevel":"conditionally_required"}]},"history":[{"version":"1.40.0","publishedAt":"2026-02-19T17:50:21Z","kind":"first-seen","detail":"Added as development.","severity":"informational"}],"replaces":[]}