The following table groups provinces by the "historic regions" that were introduced in 1833.
The term Osterland is still used today to describe the historic region which was at the centre of the march.
The city is situated in the historic region of Volhynia.
It almost the same area as the historic region of Oltenia.
It is also a part of the historic region of Pomerania.
They were named for historic regions and kingdoms of Spain.
Khorasan is an historic region covering parts of Afghanistan among other countries.
It's a historic region, with beautiful views, and many people have second homes here.
The district is part of the historic region of Lusatia.
The modern province includes most of this historic region, except for some south-western parts.