Oblivion Remastered follow. This has to do with the door to the Dark Brotherhood’s Cheydinhal sanctuary entrance. It is at

If you've been playing The Elder Scrolls 4: Oblivion Remastered, you've probably noticed that Tamriel's other regions are all shown on the map. Bordering Cyrodiil are Hammerfell, Elsewyr, Valenwood, Morrowind, Black Marsh, and Skyrim, and it turns out you can actually travel to a lot of them.

In 2006, developer Bethesda Game Studios and publisher Bethesda Softworks released The Elder Scrolls 4: Oblivion on Xbox and PC. As the name suggests, it was the fourth mainline title in The Elder Scrolls series of role-playing games.