Map Cache

[Kallocain]

There is no map cache any longer, so I second what AndrewT said.

 

[Kallocain]

I think I have this issue too; is a re-install the only way to solve it?

I noticed that the new province is displayed (on the character select screen) as part of Apulia, but when you click on it it's part of the Empire.

We don't know what the cause is, but reinstalling is a common fix for may issues, so that is a good place to start. Updating the drivers for your video card might also be a solution.