Osmanabad, officially known as Dharashiv, is a city and a municipal council in Osmanabad district in the Indian state of Maharashtra. Osmanabad derived its name from the last ruler of Hyderabad, Mir Osman Ali Khan. This city is the administrative headquarter of Osmanabad district. It is the seventh largest city in Marathwada, and the 39th largest city in Maharashtra by population. Osmanabad derives its name from the last ruler of Hyderabad, the 7th Nizam, Mir Osman Ali Khan, of which the region was a part of until 1948. As per historical evidence, the district was ruled by the Mauryas, Satavahanas, Rashtrakutas, and Yadavas. In early centuries the city belonged to the Hindu Chalukyas and Devagiri Yadavas, but later became a part of the Bahmani and Bijapur kingdoms. For a period of time, Osmanabad was also ruled by the Mughals, Bahmani, Nizam and Adil Shah kingdoms. Before the Hyderabad Nizam's rule, it was under the control of the Mughal King Aurangzeb. Being under Nizam rule, the district did not celebrate its freedom when the rest of India became independent in 1947. However, in 1948, Hyderabad State was merged with independent India and the district became a part of the then Bombay State. It became a part of Maharashtra State when the State was formed in 1960. Osmanabad has a historical lineage dating back to the days of Marathwada, and even before that to several kingdoms of which the region was a part. Osmanabad was officially renamed as Dharashiv on February 2023. The name derives from the Dharashiv Caves. The city of Osmanabad has an elevation of . Osmanabad is located in the west-central part of Osmanabad Tahsil. Nearby towns include Tuljapur, Bhoom, Paranda, Washi, and Kalamb. Solapur, located southwest of Osmanabad in Solapur district, is the nearest sizable city. Osmanabad is on the Balaghat Pathar. The Bhogavati River flows through the city and meets the Sina River near Mohol in the Solapur district. The climate of the Osmanabad district is generally dry. The rainy season starts from mid-June and continues until the end of September.