Assassin's Creed Save Game Location

Windows

Assassin's Creed save games can be found on Windows here:

C:\Users\[user_name]\AppData\Roaming\Ubisoft\Assassin's Creed\Saved Games\

Linux

Assassin's Creed save games can be found on Linux (Proton) here:

~/.steam/steam/userdata/[user_id]/15100