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It is bounded to the east and west by the sea, to the north by a mountain range which separates it from the [Unknown Lands](/wiki/bicolline/regions/territoire-de-loubli/) and to the south by another mountain range separating it from the countries of [Kazarun](/wiki/bicolline/regions/terres-du-sud/kazarun/) and [Dulgaron](/wiki/bicolline/regions/terres-du-sud/dulgaron/). However, there are two geographical elements within the [Land of Sands](/wiki/bicolline/regions/cite-des-sables/) which deeply mark it: The Dark Sea, a large salt water lake fed by underground arms of the ocean which divides it to the south in the middle, as well as the [Al-Saour-Agif desert](/wiki/bicolline/regions/cite-des-sables/al-saour-agif-desert/), uninhabitable, which also divides it in the north in the middle. Most of the country's coastline is made up of reefs, and few places are suitable for the establishment of a large-scale port, with the exception of the [port of Sombrahl](/wiki/bicolline/regions/cite-des-sables/sombrahl/) in the east.