A railway connects Aalborg with HjOrring, Frederikshavn and Skagen to the north, and with Aarhus and the lines from Germany to the south.
As Ptolemy seems to have regarded the district north of the Liimfjord (Limfjord) as a group of islands, the territory of the Cimbri, the northernmost tribe of the peninsula, would be included in the modern county (Amt) of Aalborg.
There are seven dioceses, Fiinen, Laaland and Falster, Aarhus, Aalborg, Viborg and Ribe, while the primate is the bishop of Zealand, and resides at Copenhagen, but his cathedral is at Roskilde.
The Romans believed that these Cimbri and Teutones were the same as those who invaded Gaul and Italy at the end of the 2nd century B.C. The Cimbri may probably be traced in the province of Aalborg, formerly known as Himmerland; the Teutones, with less certainty, may be placed in Thyth or Thyland, north of the Limfjord.
Aalborg is a growing industrial and commercial centre, exporting grain and fish.