Where was charlemagnes empire?

Charlemagne's empire, which is called the Carolingian Empire, included the following present day territories:

• France, except for Brittany
• Belgium
• the Netherlands
• Luxembourg
• Most of Germany
• Switzerland
• most of Austria
• part of Croatia
• the northern half of Italy
• the eastern parts of the Spanish Pyrenees

In addition, there are areas to the east of these that are considered tributary.

There is a link below to a map of Charlemagne's empire