Deezer Duo in Czech Republic ?

hello there ​@ad_slam 

I have not seen a formal list of where it has rolled out and is available. 

In practice, Duo is present in many core Deezer markets (for example EU countries, UK, US, Canada) but users in some regions report seeing only Premium and Family, with no Duo option.​

If Duo does not appear alongside Premium/Family, Duo is likely not currently offered for that region.​

For a definitive answer, you can open a ticket with deezer support here and ask → https://support.deezer.com/hc/en-gb