# Host Aggregates

* [What is a Host Aggregate](https://docs.platform9.com/managed-openstack/5.4/infrastructure/host-aggregates/infrastructure-host-aggregates)
* [Create Host Aggregate](https://docs.platform9.com/managed-openstack/5.4/infrastructure/host-aggregates/infrastructure-create-host-aggregate)
* [Setting Up Resource Tiers Using Host Aggregates](https://docs.platform9.com/managed-openstack/5.4/infrastructure/host-aggregates/infrastructure-resource-tiers)