Night Light of Narbonne (Occitanie) from space (France) Src. Average luminocity for 10x10km area is 38.2727% and for 50x50km: 10.6976%.
Square area 10x10 km:
 9.24%
 10.91%
 2.58%
 1.52%
 3.64%
 1.52%
 1.06%
 2.88%
 14.55%
 45.76%
 6.36%Square area 50x50 km:
 1.17%
 2.11%
 1.36%
 0.94%
 1.23%
 0.81%
 1.04%
 1.21%
 3.42%
 8.37%
 78.34%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 41' 40.2" North, 2° 17' 53.8" East
43° 11' 2.3" North, 3° 0' 5.1" East
42° 40' 8.8" North, 3° 42' 16.3" East
Some cities around Narbonne sort by population:
• Béziers
		24.5 km =15.2 mi, 
44°
• Agde
		40.9 km =25.4 mi, 
69°
• Lézignan-Corbières
		19.5 km =12.1 mi, 
274°
• Saint-Laurent-de-la-Salanque
		45.7 km =28.4 mi, 
181°
• Sérignan
		24.7 km =15.3 mi, 
64°
• Trèbes
		45.5 km =28.3 mi, 
273°
• Coursan
		7.1 km =4.4 mi, 
39°
• Port-la-Nouvelle
		18.6 km =11.6 mi, 
169°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016