Operakallaren is a Restaurant situated in Stockholm, Sweden. Top Organizers hosting events at Operakallaren include SPS Conferences, Anaplan, Raw Materials Group, and more. The events held at this venue encompass a wide range of industries, including Minerals, Metals & Ores, Banking, Insurance & Finance, Business Services, Banking, Insurance & Finance, etc. industries. Operakallaren is well-suited for hosting various events, such as Meetings and Networking Events etc.