The marchise of the iron is the direct lord of the barons of their march, and would be in in turn, vassal of the Prince if they both weren't the same person.
The most famous asset is the Red Mountains, full of iron mines. It also has plenty of tin, copper and gold. It imports linen, wheat, cotton, hemp, silk and wool while it produces great deals of iron, glass, saffron and manufactured products. Being the jewels and swords from Baneria pretty famous.
The iron march was founded when Berengar the first gave the north march to his friend, Bernart the Fire Sword, to make a separation of the two marches.
Demography and Population
Most population of the Iron March is human.