 The Baltic Rugii mentioned by Tacitus are possibly related to the people known as the "Rutikleioi", and the place known as Rougion, both mentioned in the second century by Ptolemy.Both these names are associated with the coastal island known today as Rügen.They have also been associated with the "Ulmerugi" mentioned in the 6th century by Jordanes, as people who have lived on the Baltic coast near the Vistula long before him.