From Software announced that Dark Souls III will release in Japan on March 24, 2016 for PlayStation 4 and Xbox One. There will also be a network test on PS4 next month. [Thanks, Game Jouhou.]
Physical copies will go for 7,430 yen and digital for 6,930 (plus tax for both). Additionally, limited retail copies will include a special map and original soundtrack with the game.
Again, players will have until October 4th at midnight JST to sign up for the PlayStation 4 network test, which will take place on October 16th, 17th, and 18th, on all three days from 8:00pm to 11:00pm JST.