My girlfriend I arrived at the address, and were surprised to see that the apartment we received is totally different from the one we had booked. We then contacted the host to discuss this matter, his reply was that it is indeed what we ordered, and that this apartment and the one posted are "sold together", meaning one apartment is posted, and you can't actually know which one you booked. The host compared furniture and size, claiming "the living room is the same, the kitchen, table, bed and sofa are literally the same". Of course it wasn't a matter of comparing these, but more of a different vibe - we liked the one we saw in the photos, and didn't like the one we checked into. Moreover, the apartment in the photos had another bedroom, and I planned to do some remote work from there.
It felt like the host is missing the whole idea of AirBnB, telling us that the building is a complex full of apartments, and that he doesn't know a hotel that would have all of its rooms listed online.
Realizing we won't receive the room we ordered, we asked the host to check out the next day and get refunded for the two other nights we ordered, he wouldn't agree and we had to stay for the whole period. Needless to say this deeply affected our time in Bologna.