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Province 1791 is called Karbala, but really it is the (Al) Anbar province. If giving it the name of a region is inappropriate, I'd recommend Habbaniyah considering its relevance to WWII.
I am not sure this is a bug. Karbala seems to be part of the province AoD calls Karbala. In general AoD names many of its provinces after important cities instead of IRL provinces.