Codes used in several countries
SY on a licence plate
SY is an area code in 4 countries. The plate's style and country code tell them apart.
Germany
SY-AB 1234Code details →Diepholz (Lower Saxony)
named after Syke
Norway
SY 12345Code details →Vestland
named after Bergen
Poland
SY 12345Code details →Bytom (Silesian)
United Kingdom
SY51 ABCCode details →Inverness (Scotland)