Azure Hybrid Cloud refers to a cloud computing environment that combines on-premises infrastructure with Microsoft Azure cloud services. It allows organizations to create a seamless and integrated computing environment that spans both their private data centers and the Azure public cloud. This approach offers flexibility, scalability, and the ability to leverage cloud services while still maintaining control over certain workloads and data on-premises.

Key aspects and components of Azure Hybrid Cloud include:

1. Azure Arc: Azure Arc is a set of services and features that extend Azure management and governance capabilities to on-premises and multi-cloud environments. It allows organizations to manage and monitor resources, apply policies, and deploy Azure services to on-premises infrastructure.

2. Azure Stack: Azure Stack is a family of products that enables organizations to run Azure services on their own hardware, creating a consistent cloud experience between their data centers and Azure. Azure Stack comes in various flavors, including Azure Stack Hub (for on-premises and disconnected scenarios), Azure Stack Edge (for edge computing), and Azure Stack HCI (for hyper-converged infrastructure).

3. Hybrid Connectivity: Azure provides various networking solutions to connect on-premises data centers to Azure securely. This includes Azure ExpressRoute for dedicated private connections and Azure Virtual Network for VPN connections.

4. Azure Active Directory (Azure AD): Azure AD can be integrated with on-premises Active Directory to provide identity and access management services across both on-premises and Azure resources.

5. Azure Site Recovery: Azure Site Recovery allows organizations to replicate and recover on-premises workloads to Azure for disaster recovery and high availability.

6. Azure File Sync: Azure File Sync enables organizations to synchronize on-premises file servers with Azure Files, providing centralized file sharing and disaster recovery capabilities.

7. Azure Backup: Azure Backup can be used to protect on-premises data by storing backups in Azure, ensuring data availability and recovery.

8. Azure Monitor and Security Center: These Azure services provide centralized monitoring, security, and compliance capabilities for both on-premises and Azure resources.

9. Azure DevOps: Azure DevOps services help organizations streamline application development and deployment across hybrid environments.

10. Containers and Kubernetes: Azure Kubernetes Service (AKS) allows you to manage containerized applications consistently across on-premises and Azure environments.

11. Hybrid Application Development: Organizations can develop hybrid applications that seamlessly run on both on-premises and Azure resources, providing flexibility and scalability.