Complex sentence: Cultural identification in Sweden is closely related to the historical Provinces of Sweden, and the people in the coastal region of Norrbotten County, are in this sense living in Northern Westrobothnia, or "Norra Västerbotten".
Split into simpler sentences: Cultural identification in Sweden is closely related to the historical Provinces of Sweden. The people in the coastal region of Norrbotten County, were in this sense living in Northern Westrobothnia, or "Norra Västerbotten".