diff --git a/nagios/scripts/entrypoint.sh b/nagios/scripts/entrypoint.sh
index ba25c630..ef7eccc1 100755
--- a/nagios/scripts/entrypoint.sh
+++ b/nagios/scripts/entrypoint.sh
@@ -38,6 +38,9 @@ fi
 if [ -n "$CEPH_MGR_SERVICE" ]; then
   echo "\$USER10\$=${CEPH_MGR_SERVICE}" >> ${NAGIOS_HOME}/etc/resource.cfg
 fi
+if [ -n "$REGION" ]; then
+  echo "\$USER11\$=${REGION}" >> ${NAGIOS_HOME}/etc/resource.cfg
+fi
 
 touch ${NAGIOS_HOME}/etc/objects/prometheus_discovery_objects.cfg
 chown nagios ${NAGIOS_HOME}/etc/objects/prometheus_discovery_objects.cfg