Night Light of Zaandijk (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 51.7109% and for 50x50km: 33.4263%.
Square area 10x10 km:
 11.49%
 11.49% 13.64%
 13.64% 4.67%
 4.67% 2.9%
 2.9% 4.92%
 4.92% 5.56%
 5.56% 7.58%
 7.58% 13.51%
 13.51% 18.69%
 18.69% 12.75%
 12.75% 4.29%
 4.29%Square area 50x50 km:
 9.47%
 9.47% 8.2%
 8.2% 2.61%
 2.61% 2.73%
 2.73% 3.31%
 3.31% 3.03%
 3.03% 3.13%
 3.13% 4.37%
 4.37% 8.82%
 8.82% 14.57%
 14.57% 39.76%
 39.76%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 54' 4.1" North, 4° 6' 13.5" East
52° 28' 29.8" North, 4° 48' 24.7" East
52° 2' 40.5" North, 5° 30' 36" East
Some cities around Zaandijk sort by population:
• Amsterdam
		12.5 km =7.8 mi,  153°
153°
• Zaanstad
		2.5 km =1.6 mi,  169°
169°
• Purmerend
		10.9 km =6.8 mi,  72°
72°
• Velsen-Zuid
		10.8 km =6.7 mi,  261°
261°
• Beverwijk
		10.2 km =6.3 mi,  275°
275°
• Heemskerk
		10 km =6.2 mi,  293°
293°
• Castricum
		12.4 km =7.7 mi,  311°
311°
• Uitgeest
		8.9 km =5.5 mi,  312°
312°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016