Night Light of Basauri (Basque Country) from space (Spain) Src. Average luminocity for 10x10km area is 60.3485% and for 50x50km: 19.7802%.
Square area 10x10 km:
 15.76%
 14.39%
 2.73%
 5.15%
 10.45%
 9.55%
 7.58%
 11.06%
 19.39%
 3.94%
 0%Square area 50x50 km:
 3.3%
 3.86%
 1.64%
 1.9%
 2.42%
 2.93%
 2.23%
 2.88%
 5.74%
 14.02%
 59.07%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 44' 59.2" North, 3° 35' 20.1" West
43° 14' 22.9" North, 2° 53' 8.9" West
42° 43' 31.2" North, 2° 10' 57.6" West
Some cities around Basauri sort by population:
• Bilbao
		4.1 km =2.5 mi, 
308°
• Barakaldo
		10.4 km =6.5 mi, 
307°
• Santutxu
		2.9 km =1.8 mi, 
301°
• Sestao
		12.5 km =7.8 mi, 
308°
• Galdakao
		3.6 km =2.2 mi, 
106°
• Erandio
		10.1 km =6.3 mi, 
315°
• Laudio / Llodio
		12.4 km =7.7 mi, 
209°
• Arrigorriaga
		3.3 km =2.1 mi, 
179°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016