According to Croatia's The Dubrovnik Times, Star Wars: Episode VIII is titled "The Order of the Dark Side."
It's further said Mark Hamill and Daisy Ridley are rumoured to be coming to Dubrovnik when Rian Johnson films there next week.
The site also says that Luke Skywalker is indeed the father of Rey, and that Dubrovnik will be the location of Luke's planet.
"Star Wars: Episode VIII" has a December 16, 2017 release directed by Rian Johnson starring Mark Hamill, Carrie Fisher, Adam Driver, Daisy Ridley, John Boyega, Oscar Isaac, Lupita Nyong’o, Domhnall Gleeson, Anthony Daniels, Gwendoline Christie, Andy Serkis, Benicio Del Toro, Laura Dern and Kelly Marie Tran.
Star Wars: Episode VIII announcement teaser: