How to Write an Address in Slovenia: Format, Postcodes and Examples

International  |  September 29, 2026  |  2 min read

Addresses in Slovenia follow their own order and postcode rules. This guide shows how to write one correctly, with real postcode examples and the most common mistakes, whether you are sending mail, building a checkout form or preparing test data.

Address format

Street and house number, then postcode and town.

Slovenia postcode format

Format: 9999

Slovenian postcodes have four digits. Ljubljana codes start with 1.

More examples

Sending to Slovenia from abroad

Write the address exactly as it is used locally, then add the country name in capital English letters on the last line.

Tips and common mistakes

• Street types like cesta and ulica are part of the name.
• The postcode goes before the town.
• Letters like 12a mark added buildings.
• Keep the diacritics č, š and ž.

Major cities and towns

Ljubljana, Maribor, Celje, Kranj, Koper, Novo mesto, Velenje, Ptuj, Trbovlje

Test data for Slovenia

There is no widely reserved fictional phone range here, so the generator leaves phone numbers out. Generated addresses use real towns and postcode areas with invented streets and names, so they are safe for form testing, mockups and documentation.