An Azure Subscription is a service provided by Microsoft Azure that allows users to access and manage cloud resources. It acts as a container for various services, such as virtual machines, databases, and storage, enabling users to organize and control their cloud usage. Each subscription has its own billing and resource limits, making it easier to track costs and manage resources effectively. Users can create multiple Azure Subscriptions to separate different projects or environments, such as development and production. This flexibility helps organizations manage their cloud resources efficiently while ensuring that they stay within budget and meet compliance requirements.