OSM Way 46420246
ID:
Key
Value
admin_level
2
border_type
territorial
boundary
administrative
maritime
yes
source
http://www.planinite.info/V_pomosht_na_turista/Normativni_aktove/Granitcen_rezhim/Sporazumenie_BG_Turtsia.htm
View on OSM map
:-)