Participants are requested to make their own hotel  arrangements.

You may consider to arrange your overnights through booking.com

A few suggestions:

Turin Iberia Hotel (4 stars) - 700 m from the congress centre
Av. 5 De Outubro 160, Lisboa

Hotel 3K Barcelona (4 stars) - 1,2 km from the congress centre
Laura Alves 10, Lisboa

Jupiter Lisboa Hotel (4 stars) - 400 m from the congress centre
Av. da República 46, Lisboa

VIP Inn Berna Hotel (3 stars) - 700 m from the congress centre
Avenida António Serpa 13, Lisboa