Which is the oldest and the first Islamic cemetery in the World?

Which is the oldest and the first Islamic cemetery in the World?

دنیا کا سب سے قدیم اور پہلا اسلامی قبرستان کون سا ہے؟
Explanation

Jannat al-Baqīʿ is the oldest and the first Islamic cemetery of Medina in the Hejazi region of present-day Saudi Arabia. It is located to the southeast of the Prophet's Mosque, which contains the graves of some of Prophet Muhammad's family and friends. It is also known as Baqīʿ al-Gharqad.