Night Light of Opatija (Primorsko-Goranska) from space (Croatia) Src. Average luminocity for 10x10km area is 34.0063% and for 50x50km: 7.7706%.
Square area 10x10 km:
 7.3%
 6.83%
 3.65%
 1.27%
 4.13%
 3.49%
 3.65%
 5.24%
 12.7%
 26.35%
 25.4%Square area 50x50 km:
 1.21%
 1.26%
 0.73%
 0.48%
 0.82%
 1.17%
 1.11%
 1.15%
 3.03%
 5.73%
 83.3%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 49' 47.3" North, 13° 36' 7.3" East
45° 20' 15.8" North, 14° 18' 18.5" East
44° 50' 28.7" North, 15° 0' 29.8" East
Some cities around Opatija sort by population:
• Rijeka
		10.8 km =6.7 mi, 
96°
• Labin
		30.6 km =19 mi, 
208°
• Drenova
		9.9 km =6.2 mi, 
82°
• Crikvenica
		35.2 km =21.9 mi, 
120°
• Buzet
		27.6 km =17.1 mi, 
286°
• Pazin
		30.8 km =19.1 mi, 
249°
• Ilirska Bistrica, SI
		26 km =16.2 mi, 
349°
• Leskova Dolina, SI
		33.8 km =21 mi, 
21°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016