One popular theory suggests that the founder of the city, Muhammad Quli Qutb Shah of the Golconda Sultanate, named it "Bhagyanagar" or "Bhāgnagar" after Bhagmati, a local nautch (dancing) girl with whom he had fallen in love. She converted to Islam and adopted the title Hyder Mahal.

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The state was ruled from 1724 until 1948 by a hereditary Nizam who was initially a Mughal governor of the Deccan before becoming independent. Hyderabad gradually became the first princely state to come under British paramountcy signing a subsidiary alliance agreement.

History of Hyderabad:

Hyderabad State was a state in Independent India, formed after the accession of the princely state of Hyderabad into the Indian Union on 24 November 1949. It existed from 1948 to 1956. Following the States Reorganisation Act Hyderabad State was merged with Andhra State in 1956 and renamed Andhra Pradesh.

Founding of a new city. Mohammed Quli Qutub Shah of the Qutub Shahi dynasty built the city of Hyderabad on the Musi River five miles (8 km) east of Golconda in 1589. The Purana Pul ("old bridge") spanning the Musi was built a few years earlier, enabling quick travel between Golconda and Hyderabad.

What is the famous thing in Hyderabad?

Pearls: Hyderabad is known for its pearls. ... Tombs of Quli Qutub Shah, Golconda Fort (this is where the world famous Kohinoor Diamond was excavated from), Salar Jung Museum (the Nawab of Hyderabad was once the richest man in the world), Falaknuma Palace. Opinion: The HiTech City, in my opinion, isn't so Hi Tech.