Hotel Unicus Krakow Old Town,
a little closer.

The hotel identifies itself as Hotel Unicus Krakow Old Town, while the casino operator lists HIT Casino in Hotel Unicus. Both sources point to Św. Marka 20. Keep that full address with your casino hotel booking rather than relying on a shortened hotel name.

Match the hotel and casino addresses before arriving.

A casino hotel stay still needs a workable arrival time, a comfortable room and somewhere to eat. Book those parts on their own merits. Leave the casino visit optional, with a separate entertainment limit and an easy route back to your room.