For Hungary, I can help a little: the world translates to szárazjég and Googling that you can find several places that sell it, you need to order it a day ahead on phone and/or email typically. For example, http://szarazjegkft.hu/szarazjeg-forgalmazas http://www.szarazjegfutar.hu/elerhetosegek.php http://jegairmaster.hu/jegair/elad.html and so forth. Finding a brick-and-mortar store selling this is neigh impossible, I doubt there's any in the entire country.

For Hungary, I can help a little: the world translates to szárazjég and Googling that you can find several places that sell it, you need to order it a day ahead on phone and/or email typically. For example, http://szarazjegkft.hu/szarazjeg-forgalmazas http://www.szarazjegfutar.hu/elerhetosegek.php http://jegairmaster.hu/jegair/elad.html and so forth. Finding a brick-and-mortar store selling this is nigh impossible, I doubt there's any in the entire country.

For Hungary, I can help a little: the world translates to szárazjég and Googling that you can find several places that sell it, you need to order it on phone typically. For example, http://szarazjegkft.hu/szarazjeg-forgalmazas http://www.szarazjegfutar.hu/elerhetosegek.php http://jegairmaster.hu/jegair/elad.html and so forth. Finding a brick-and-mortar store selling this is neigh impossible, I doubt there's any in the entire country.

For Hungary, I can help a little: the world translates to szárazjég and Googling that you can find several places that sell it, you need to order it a day ahead on phone and/or email typically. For example, http://szarazjegkft.hu/szarazjeg-forgalmazas http://www.szarazjegfutar.hu/elerhetosegek.php http://jegairmaster.hu/jegair/elad.html and so forth. Finding a brick-and-mortar store selling this is neigh impossible, I doubt there's any in the entire country.