What was the first capital of the Abbasid Caliphate?

What was the first capital of the Abbasid Caliphate?

عباسی خلافت کا پہلا دارالحکومت کیا تھا؟
Explanation

The first capital of the Abbasid Caliphate was Kufa.

The Abbasids later moved the capital to Baghdad in 762 CE,

In 762, the caliph al-Mansur founded the city of Baghdad as the new capital