Identify the holy roman empire and explain how the name originated

The holy roman empire was a empire that crossed around the Mediterranean sea.The holy roman empire conquered many lands such as spain africa and parts of asia. The name of the empire originated when the empire of the holy roman empire named Charlemagne was crowned in a Catholic church after this he allowed the church to have come government controls after this the roman empire would be named the holy roman empire since of the chruches Persuasion over laws.hope this helps.