The Central District of Nimruz County () is in Sistan and Baluchestan province, Iran. Its capital is the city of Adimi.
In 2013, Posht Ab District was separated from Zabol County in the establishment of Nimruz County, which was divided into two districts of two rural districts each, with Adimi as its capital and only city.
At the time of the 2016 National Census, the district's population was 26,001 inhabitants in 7,105 households.