Istanbul, Turkey
Shahjahnbad was founded in 1639 by Mughal Emperor Shahjahan. Shahjahnbad is now known as Old Delhi, which is a city in India. Old Delhi is known for its cuisine and street food.
There were several old Roman cities in what is now Turkey. Possibly you mean present-day Istanbul, which was known as Constantinople, and previously as Byzantium.
Shajahanabad was the old name of delhi(now known as old delhi).The name was given at the reign of emperor shahjahan.It was the colonial rule of british which destroyed the beautiful city of shajahanabad.
The city has been known as the City of Pearls and the City of Nizams.
The old name for the city of Medina is Yathrib. It was known by this name before the arrival of the Prophet Muhammad and his followers, who migrated there in 622 CE. After this migration, the city became known as Medina, meaning "The City of the Prophet."
Faizabad was known as Saket in old days.
British Honduras. Formerly Belize city, the capital is now Belmopan.
Siam is the old name for what is now known as Tailand
The name Queenstown is an old name for what is now known as Cobh (pronounced Cove). It is on the south coast of Ireland, near the city of Cork. It is famous as being the last place the Titanic left before it sank in April 1912. At that time the name Queenstown was being used.
Myanmar was previously known as Burma.
Persia is the old name for the country that is now known as Iran.
The city of Vadodara in Gujarat was formerly known as Baroda.