For accommodation, we would recommend you to use booking.com, and search for accommodation in Uppsala, Uppsala County, Sweden. Norrlands nation is situated on Västra Ågatan. You might want to make sure that the hotel is not located too far away from the venue.
The following hotels and hostels are all within walking distance from the venue.
Hotel Villa Anna, Grand Hotel Hörnan
Radisson Blu Hotel, Clarion Hotel Gillet, Scandic Uplandia, Park Inn by Radisson Uppsala, Hotell Stella
Lower price range
Akademihotellet, First Hotel Linné, Hotell Kungsängstorg, Best Western Hotel Svava, Uppsala CityStay Hotel
Hostels (shared WC facilities, etc)