What are the old names of Makkah and Madina in Islam?

In Islamic history, Makkah and Madina had names before they were known by their current names:

Makkah:Old Name: Bakkah
Bakkah is mentioned in the Quran in Surah Al-Imran (3:96). It is believed to be an earlier name for Makkah, which signifies its importance and central role.

Madina:Old Name: Yathrib
Before the Prophet Muhammad's migration (Hijra) to the city, it was known as Yathrib. The name Madina (short for Madinat al-Nabi, meaning "City of the Prophet") was given to honor the Prophet after his arrival and the establishment of the Muslim community there.