There are two accommodation options on Otaniemi campus (5min walk from venue). Aalto Inn offers self-catering studios (121-131€) and small apartments (160€, 1-2 people) with breakfast available at nearby Radisson Blu (15€). To reserve, please contact organisers. Radisson Blu Espoo offers standard rooms (prices start from 129€ single, 149€ twin) and breakfast.
Sokos Hotel Tapiola Garden is 10 min away by bus from the campus in Espoo (prices start from 175€ single, 195€ twin). Central Helsinki is 15-20min away by bus from the Kamppi station and offers numerous accommodation options. Hotel Helka has a good price/quality ratio.