Night Light of Gravina di Catania (Sicily) from space (Italy) Src. Average luminocity for 10x10km area is 93.0406% and for 50x50km: 23.4528%.
Square area 10x10 km:
 35.39%
 36.69%
 15.26%
 8.93%
 3.08%
 0.49%
 0.16%
 0%
 0%
 0%
 0%Square area 50x50 km:
 4.03%
 4.48%
 3.38%
 3.54%
 3.86%
 2.17%
 2.12%
 3.06%
 5.89%
 10.81%
 56.67%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
38° 6' 58.1" North, 14° 21' 35.3" East
37° 33' 39.1" North, 15° 3' 46.5" East
37° 0' 5" North, 15° 45' 57.8" East
Some cities around Gravina di Catania sort by population:
• Mascalucia
		1.9 km =1.2 mi, 
322°
• San Giovanni la Punta
		3.2 km =2 mi, 
56°
• Tremestieri Etneo
		1.5 km =0.9 mi, 
71°
• Trecastagni
		6.2 km =3.9 mi, 
12°
• Sant'Agata Li Battiati
		1.6 km =1 mi, 
104°
• Canalicchio
		3.7 km =2.3 mi, 
126°
• San Pietro Clarenza
		3.6 km =2.2 mi, 
284°
• San Gregorio di Catania
		4.3 km =2.7 mi, 
79°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016