Although Darfur residents cannot partake in the south's referendum, the outcome may have consequences for the country's western region.
People in Darfur are quietly considering the possibility of their own referendum and self-determination.
But what many fear is the impact the south's likely secession will have on their region, which has been plagued by eight years of war, killing thousands and displacing millions.
Al Jazeera's Omar Al Saleh reports from southern Darfur.
Source: Al Jazeera