| Old Norse | Date | Headword | 1st El. | 2nd El. | URL | |||
| *Krákuborg | n.d. | Karkoborgh (!) | Krokeborg | kráka | crow | borg | hill, fortification | Link |
| 1315 | Krakebord | Krokeborg | kráka | crow | borg | hill, fortification | Link | |
| 1593 | Krogborg | Krokeborg | kráka | crow | borg | hill, fortification | Link | |
| 1604 | Krogeborg | Krokeborg | kráka | crow | borg | hill, fortification | Link | |