Abu Zayd 'Abd al-Rahman ibn Khaldun al-Hadrami (May 27, 1332/ah732 to March 19, 1406/ah808) was a famous Arab historiographer.
Works:
... a total area of 5.8 km² (2.2 mi²). 5.4 km² (2.1 mi²) of it is land and 0.3 km² (0.1 mi²) of it is water. The total area is 5.83% water. ...