DarkEden is based on the world of Eslania, an imaginary east Europe country which has 4 distinctive state regions.

Eslania, as known as the world of DarkeEden, can be widely divided into "Tutorial Zone", Eslania City, Limbo Lair, Drobeta complex, Rodin Heights and each region contains dungeons, caves, tunnels, and vamire master lair in its underground. In the south part, there is a place called Lake Timore which is ruled by upcoming 3rd lair master Gilles de Rais. Timore lake region is completely covered with snow since it lost the beauty and nature over the ice age.