Elements
Currently for Italy, ISO 3166-2 codes are defined for two levels of subdivisions:
- 20 regions
- 110 provinces
Each code consists of two parts, separated by a hyphen. The first part is IT, the ISO 3166-1 alpha-2 code of Italy. The second part is either of the following:
- two digits: regions
- two letters: provinces
For the regions, the first digit indicates the geographical region where the subdivision is in:
- 2, 3, 4: Northern Italy
- 5: Central Italy (excluding Lazio)
- 6, 7: Southern Italy (including Lazio)
- 8: Insular Italy
For provinces, the two-letter part is an abbreviation of the province name, such as 'PG' for Perugia, although, as an exception, the code for Medio Campidano (IT-VS) is based on its two capitals, Villacidro and Sanluri.
Read more about this topic: ISO 3166-2:IT
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—Anonymous, U.S. women’s magazine contributor. The Revolution (August 19, 1869)