@Mazen Chams Welcome to Microsoft Q&A.
What is Azure IoT?
Azure IoT is a collection of managed and platform services across edge and cloud that connect, monitor and control billions of IoT assets. It also includes security and operating systems for devices and equipment, along with data and analytics that help businesses to build, deploy and manage IoT applications.
What is Azure IoT Hub?
IoT Hub is a managed service, hosted in the cloud, that acts as a central message hub for bi-directional communication between your IoT application and the devices it manages. You can use Azure IoT Hub to build IoT solutions with reliable and secure communications between millions of IoT devices and a cloud-hosted solution backend. You can connect virtually any device to IoT Hub.
Find the Internet of Things product you need
I would suggest you start from here to Learn more about Azure IoT products and services
Do let us know if you have any further queries.
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