This guide provides a comprehensive overview of Slovenia address formatting, postal code structures, and localization practices. It includes information on postal services, languages, time zones, and address validation standards across Slovenia.
Address Format
Structure for standardized Slovenia postal addresses:
- Organization
- Building SubBuilding SubPremises SubPremisesLevel
- Thoroughfare PremisesNumber
- PostalCode Locality
- Country
Address Verification Data
Slovenia postal addresses verification data
| Available | Yes |
| Does the country use postal codes? | Yes |
| PO Box Indicator | P.P., Poštno ležeče, PO Box |
| ISO-2-Code |
SI |
| ISO-3-Code | SVN |
| Phonecode | 386 |
Address Example
Example of standardized Slovenia postal addresses

Country Info
Full Country Name: Republic of Slovenia
| Country Alpha-2 code | SI |
|---|---|
| Country Alpha-3 code | SVN |
| Numeric Code | 705 |
Time Zone
Slovenia Time Zone Details
| Time Zone | UTC | DST |
|---|---|---|
| Central European Time | UTC+1 | UTC+2 |
Official Language
Slovene is the official language. Italian and Hungarian are recognized as co-official languages in certain regions.
Fun Facts
- The total area of Slovenia is about 20,273 sq km / 7,827 sq miles. (CIA World Factbook)
- Slovenia has a short coastline of approximately 47 km / 29 miles along the Adriatic Sea. (CIA World Factbook)
- The terrain is highly varied, including Alpine mountains, karst plateaus, forests, and a small coastal region. (CIA World Factbook)
Postal Authority
Pošta Slovenije (Slovenian Post) is the national postal operator, providing mail, parcel, and financial services across all regions and municipalities throughout Slovenia.
Reference: https://www.posta.si
Name Conventions
Population Names
Slovenian names follow South Slavic naming conventions:
[title] [given name] [FAMILY NAME]
Examples:
- Janez Novak
- Ana Kovač
- gospod Marko Novak in gospa Ana Novak
- gospa dr. med. Ana Zupan
Common surname endings include -ič, -ak, -ec, -ar, and -nik. Women's surnames traditionally do not change, though some may add -ova in informal contexts. Titles include Gospod (Mr.), Gospa (Mrs.), and may appear as proper or lower cased. Professional titles like Dr. and Prof. most always appear as lower cased.
Organizational Names
Slovenian business entities include:
- d.o.o. (družba z omejeno odgovornostjo) – Limited liability company
- d.d. (delniška družba) – Public limited company
- s.p. (samostojni podjetnik) – Sole proprietor
Businesses are registered with the Slovenian Business Register (AJPES).