It is recommended to make your reservation in advance, since June is a very high season in Barcelona and there will be major events in the city such as the Formula 1 Barcelona Grand Prix 2023.
For the Congressmen of the XXXIX ALACAT Congress in two large hotel groups, H10 and NN Hotels.
All hotels are very well connected to Plaza España and you can even walk to Fira de Barcelona.
To make a reservation at the hotel of your choice, you must indicate a promotional code.