From here you can follow the subcategories to the zone you wish to have more information of.
“The Harrowing is the fourth and final chapter in Diablo II (excluding Lord of Destruction, the...The Harrowing
“The Secret of the Vizjerei is the second chapter in the Diablo II storyline. The player travels...The Secret of the Vizjerei
“The Sightless Eye is the first chapter of Diablo II. The player starts from the Rogue Encampment...The Sightless Eye
“The Infernal Gate is the third chapter of Diablo II. The player travels to the Kurast Docks...The Infernal Gate
This category has the following 6 subcategories, out of 6 total.