We are staying at The Central House, Porto, based in the city centre.  Here are some basic details.

From Google:

The Central House Porto Ribeira Hostel is located merely 1.3 km from Avenida dos Aliados and close to bars, restaurants and cafés. Thanks to a bus stop, set nearby, the hostel is well-connected with other parts of Porto.

While staying at this accommodation, guests have access to Ferreira. The Porto hostel is set not too far from Ponte de Dom Luis I Bridge. Serving European specialities, Portu's is just 5 minutes' walk away. Mercado do Bolhao is located within 16 minutes' walk of The Central House Porto Ribeira Hostel.

The rooms have views of the river. The rooms come with a separate toilet and a shower.