Online gambling regulation in Czech Republic

Ministry of Finance of the Czech Republic, Department 73 – Procedural Agendas and Gambling Regulation. Open licensing model. Checked 2026-09-21.

Advertising unlicensed gambling banned: Yes
Public licence register: Yes
Online casino: Licensed
Online sports betting: Licensed

Casino, sports betting, poker and more

Casino, sports betting, and poker are all regulated under the Gambling Act, but each needs its own Ministry of Finance permit; poker is a separate live-game/small-tournament category, while sports betting is odds betting and casino games are technical/live games.

Product	Status	What that means
Online casino	Licensed	—
Online sports betting	Licensed	—
Online poker	Licensed	Licensed under Act No. 186/2016 Coll.; online poker requires Ministry of Finance licensing.
Sweepstakes and social casinos	Legal	Generally not gambling if no money or money’s-worth prize; sweepstakes/free-to-play casino models with prizes are excluded from the Gambling Act.
Prediction markets	Not confirmed	Unclear; some event betting may fit odds betting, but real-money prediction markets/derivatives treatment not confirmed.
Mystery boxes	Unregulated	Unregulated for paid mystery boxes/loot boxes under the Gambling Act 186/2016; Czech articles note no specific legal framework, though if a product is structured like gambling it can fall under the Act.

Advertising unlicensed gambling in Czech Republic

Prohibited. Act No. 186/2016 Coll., on Gambling; administrative penalty up to CZK 50 million for offering online gambling without local licence.

Unlicensed online offering is subject to administrative penalties; advertising unlicensed services is generally treated as illegal promotion of unlawful gambling.

Regulator and law

Ministry of Finance of the Czech Republic, Department 73 – Procedural Agendas and Gambling Regulation — mf.gov.cz

Act No. 186/2016 Coll., on Gambling (zákon o hazardních hrách)

Online casino: Licensed. Online sports betting: Licensed.

Checking a licence

The regulator publishes a register of licensed operators. Ministerstvo financí publishes Seznam legálních provozovatelů hazardních her by year.

https://mf.gov.cz/cs/kontrola-a-regulace/hazardni-hry/prehledy-a-statistiky/prehledy-legalnich-provozovatelu-whiteli

How the black market is fought

Blacklist of unlicensed internet games with DNS/ISP blocking
Administrative fines up to CZK 50 million for unlicensed offering
Supervision and sanctions by Customs Administration and Ministry of Finance
Publication of non‑approved operators list as deterrent measure

Advertising rules for licensed operators

Advertising must not target persons under 18 and must include a warning for under‑18s
Advertising must not suggest gambling is a source of income or employment‑like funds
Advertising online gambling only permitted for operators licensed by the Ministry of Finance
Content must respect general advertising and consumer‑protection laws

Recent developments

Ministry list of legal gambling operators updated in 2025 and 2026 under ZHH
Open‑data portal publishes lists of licensed operators and non‑approved internet games under §84d ZHH
Interpretative opinions and new obligations for online gambling highlighted in 2025 regulatory updates

Questions

Is it illegal to advertise unlicensed gambling in Czech Republic?

Yes. Act No. 186/2016 Coll., on Gambling; administrative penalty up to CZK 50 million for offering online gambling without local licence. Unlicensed online offering is subject to administrative penalties; advertising unlicensed services is generally treated as illegal promotion of unlawful gambling.

Who regulates online gambling in Czech Republic?

Ministry of Finance of the Czech Republic, Department 73 – Procedural Agendas and Gambling Regulation. The main law is Act No. 186/2016 Coll., on Gambling (zákon o hazardních hrách).

How can I check whether a gambling operator is licensed in Czech Republic?

The regulator publishes a register of licensed operators at https://mf.gov.cz/cs/kontrola-a-regulace/hazardni-hry/prehledy-a-statistiky/prehledy-legalnich-provozovatelu-whiteli. Ministerstvo financí publishes Seznam legálních provozovatelů hazardních her by year.

What we could not confirm

Exact section prohibiting advertising of unlicensed online gambling (likely within Act No. 186/2016 Coll. or related advertising provisions)
Precise wording of DNS blocking obligations and technical implementation in ZHH
Any 2026 amendments specifically changing online advertising rules for gambling
Whether paid mystery boxes/loot boxes are treated as gambling or only consumer products.
Whether current Czech law treats real-money prediction markets as betting/financial derivatives.
Whether any sweepstakes/social casino model with redeemable prizes falls back into gambling regulation.

Sources

Researched 2026-09-21 from public sources and summarised by the Brandfense team. Not legal advice — confirm with the regulator or your counsel before acting.