Night Light of Zandvoort (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 15.8914% and for 50x50km: 29.3436%.
Square area 10x10 km:
 1.01%
 1.01% 1.52%
 1.52% 0.51%
 0.51% 0.76%
 0.76% 1.52%
 1.52% 4.04%
 4.04% 2.9%
 2.9% 3.54%
 3.54% 12.88%
 12.88% 16.16%
 16.16% 55.18%
 55.18%Square area 50x50 km:
 8.19%
 8.19% 7.54%
 7.54% 1.96%
 1.96% 2.61%
 2.61% 3.08%
 3.08% 2.87%
 2.87% 3.47%
 3.47% 4.88%
 4.88% 8.06%
 8.06% 7.38%
 7.38% 49.95%
 49.95%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 47' 54.4" North, 3° 49' 47.8" East
52° 22' 16.5" North, 4° 31' 59" East
51° 56' 23.5" North, 5° 14' 10.3" East
Some cities around Zandvoort sort by population:
• Haarlem
		7.1 km =4.4 mi,  81°
81°
• Hoofddorp
		13.1 km =8.1 mi,  125°
125°
• Velsen-Zuid
		12.7 km =7.9 mi,  38°
38°
• Heemstede
		6.6 km =4.1 mi,  111°
111°
• Lisse
		12.5 km =7.8 mi,  172°
172°
• Hillegom
		9.6 km =6 mi,  159°
159°
• Noordwijkerhout
		12.5 km =7.8 mi,  192°
192°
• Bennebroek
		7.2 km =4.5 mi,  141°
141°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016