The History of Cardenio: Spain and England, Then and Now colloquium takes place in the IUPUI Student Center (420 University Blvd, at the Southwest corner of Michigan and University; the University Place Hotel and Conference Center is on the Northeast corner). The Registration table will be outside Room 305 (where the sessions take place) from 9:30am on Friday, April 27, and from 8:30am on Saturday, April 28. The Campus Center Theatre (where the performances will be taking place) is on the basement level.
A map of the campus is available here. The Campus Center code is CE. The University Place Hotel and Conference Center code is IP.