Many thanks to @_Camellia92 and Ayako for the tweeting the links!
The Korean Herald is reporting that Keanu Reeves will arrive in Seoul on January 7, 2015. He is scheduled to attend a press conference, the John Wick premiere and he will also appear on several TV programs.
The Joy Contents Group has posted on their FB page that he will arrive on Jan 7 and having meetings with fans on January 8 & 9.