Night Light of Gniew (Pomerania) from space (Poland) Src. Average luminocity for 10x10km area is 2.2685% and for 50x50km: 3.6527%.
Square area 10x10 km:
 0.66%
 0.4%
 0%
 0%
 0%
 0.53%
 0%
 1.19%
 0.4%
 1.06%
 95.77%Square area 50x50 km:
 0.71%
 0.64%
 0.23%
 0.36%
 0.31%
 0.38%
 0.47%
 0.42%
 0.29%
 2.97%
 93.22%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
54° 14' 56" North, 18° 7' 11.9" East
53° 50' 9.7" North, 18° 49' 23.2" East
53° 25' 8.6" North, 19° 31' 34.4" East
Some cities around Gniew sort by population:
• Tczew
		28.7 km =17.8 mi, 
354°
• Starogard GdaĆski
		24.1 km =15 mi, 
306°
• Malbork
		25.9 km =16.1 mi, 
30°
• Kwidzyn
		14.2 km =8.8 mi, 
150°
• Sztum
		16.6 km =10.3 mi, 
55°
• Prabuty
		26.7 km =16.6 mi, 
109°
• Pelplin
		13.1 km =8.1 mi, 
321°
• Nowe
		21.7 km =13.5 mi, 
196°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016