The Central District of Charuymaq County () is in East Azerbaijan province, Iran. Its capital is the city of Qarah Aghaj.
At the time of the 2006 National Census, the district's population was 21,136 in 4,194 households. The following census in 2011 counted 20,341 people in 5,359 households. The 2016 census measured the population of the district as 19,704 inhabitants in 5,802 households.