1) Ancient tribe in Dacia 
The Costoboci (aɪ; Costoboci, Costobocae, Castabocae, Coisstoboci, Κοστωβῶκοι, Κοστουβῶκοι or Κοιστοβῶκοι) were an ancient people located, during the Roman imperial era, between the Carpathian Mountains and the river Dniester. During the Marcomannic Wars the Costoboci invaded the Roman empire in AD 170 or 171, p...