Night Light of Greytown (KwaZulu-Natal) from space (South Africa) Src. Average luminocity for 10x10km area is 6.3492% and for 50x50km: 0.3998%.
Square area 10x10 km:
 0%
 0.79%
 0.79%
 1.59%
 3.77%
 0.2%
 0%
 0%
 0.79%
 0%
 92.06%Square area 50x50 km:
 0%
 0.03%
 0.03%
 0.09%
 0.15%
 0.06%
 0.06%
 0.1%
 0.07%
 0.06%
 99.35%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 26' 51.9" South, 29° 53' 22.8" East
29° 3' 50.9" South, 30° 35' 34" East
29° 40' 36.8" South, 31° 17' 45.3" East
Some cities around Greytown sort by population:
• Pietermaritzburg
		64.4 km =40 mi, 
197°
• KwaDukuza
		73.7 km =45.8 mi, 
113°
• Howick
		57.9 km =36 mi, 
217°
• Mpophomeni
		68.5 km =42.6 mi, 
215°
• Ballito
		80.1 km =49.8 mi, 
131°
• Ekuvukeni
		78.9 km =49 mi, 
327°
• Sundumbili
		78.6 km =48.8 mi, 
95°
• Mooirivier
		60.3 km =37.5 mi, 
254°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016