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.si Domain: Slovenia ccTLD Guide

Updated October 2026

.si is the country-code top-level domain for Slovenia.

Overview

.si is the country-code top-level domain for Slovenia, in Europe. It is managed by ARNES (Academic and Research Network of Slovenia).

Popular for domain hacks such as jit.si; in Slovene, 'si' also means 'you are'.

Who can register

Anyone, anywhere, can generally register through accredited registrars.

Before you buy a .si name

• Check the renewal price as well as the first-year price. Our cost calculator shows what a name really costs over time.
• Make sure you meet the eligibility rules yourself, without relying on a trustee if you can avoid it.
• Search for trademarks and for the same name in .com.
• Say the name out loud: will people type it correctly?

Weighing up a specific .si name? TLD.is gives an AI appraisal that explains a name's strengths and weaknesses.

Frequently asked questions

What country is .si?

.si is the country-code top-level domain for Slovenia.

Who runs the .si domain?

The .si registry is managed by ARNES (Academic and Research Network of Slovenia).

Can I register a .si domain from another country?

Generally yes. .si is open to registrants worldwide through accredited registrars. Check the registry's current terms before you buy.

Does Google treat .si as a country domain?

Yes. Google normally treats .si as a signal that a site targets Slovenia.

Compare and explore

Compare .si side by side with other extensions, or browse more in Europe:

Sources checked: en.wikipedia.org. Last reviewed October 2026.

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