Night Light of 's-Gravenzande (South Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 79.221% and for 50x50km: 37.8376%.
Square area 10x10 km:
 47.85%
 47.85% 20.2%
 20.2% 3.66%
 3.66% 1.01%
 1.01% 0.88%
 0.88% 1.64%
 1.64% 2.9%
 2.9% 5.93%
 5.93% 8.21%
 8.21% 5.81%
 5.81% 1.89%
 1.89%Square area 50x50 km:
 17.29%
 17.29% 9.44%
 9.44% 1.95%
 1.95% 2.51%
 2.51% 3.51%
 3.51% 2.47%
 2.47% 1.89%
 1.89% 3.03%
 3.03% 4.38%
 4.38% 5.96%
 5.96% 47.57%
 47.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 25' 56.8" North, 3° 27' 43.8" East
52° 0' 6" North, 4° 9' 55" East
51° 34' 0.1" North, 4° 52' 6.3" East
Some cities around 's-Gravenzande sort by population:
• Maassluis
		10.5 km =6.5 mi,  146°
146°
• Naaldwijk
		3.2 km =2 mi,  105°
105°
• De Lier
		6.4 km =4 mi,  117°
117°
• Monster
		2.8 km =1.7 mi,  13°
13°
• Hoek van Holland
		3.5 km =2.2 mi,  219°
219°
• Honselersdijk
		4.1 km =2.5 mi,  82°
82°
• Poeldijk
		4.5 km =2.8 mi,  55°
55°
• Vogelwijk
		10 km =6.2 mi,  34°
34°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016