Blakadja, often written Blagadja, is a village situated 20 km from Mbrès in Nana-Grebizi Prefecture, Central African Republic.
In August 2015, Blakadja was under control of Franco Yagbegue's Anti-Balaka. A clash between two warring armed groups occurred in Blakadja in June 2018. Wagner forces attacked UPC post in the village on 4 November 2022.
There is a school in the village. In 2018, the school was damaged due to the fighting between two militias.
The village has one health post. In January 2015, the health post did not have staff because of the ongoing war and was guarded by Anti-balaka personnel. The health post suffered from looting due to the June 2018 attack.