Simplify the following text for a Grade 9 native English-speaking person.
Original: Hyderabad state was located in south-central Indian subcontinent from 1724 until 1948 , ruled by a hereditary Nizam .
Simplified: HyderÄ bÄ d state was located in the south-central region of the Indian subcontinent , and was ruled , from 1724 until 1948 , by a hereditary Nizam . The capital city was Hyderabad .