In addition to the Galaxy S7 lineup that has just received Android 7.0, Samsung plans to deliver this update to a pretty long list of devices, including the Galaxy Tab S2, Galaxy S3, Galaxy Note 5, and a few others. The list is not final, so more Samsung products could get the update in the second half of 2017.
http://www.notebookcheck.net/Samsung-reveals-list-of-devices-in-line-for-Nougat.192214.0.html