The Princely State of Sachin was one of the 9 Gun Salute states of India during the rule of the British Empire in India. During the 19th century, the territory was appointed as one of the princely states of India under the indirect rule of the British Government. The state covered a total area of 49 sq miles and comprised a total population of 26,331 in the year 1941. Sachin state was located in southern Gujarat, on the coast of the Indian Ocean. The territory was included as a part of the Baroda Agency, which was a sub division of the Western India States Agency. Later Sachin became a part of the Indian state of Gujarat. The Princely State of Sachin was part of the former Surat Agency. The erstwhile princely state constituted of several blocks of regions and most of them were enclaves in Baroda or the British district of Surat. It included around 21 villages and is currently one of the prime industrial cities in Surat Metropolitan Region in the state of Gujarat.

The Princely State of Sachin was accorded as one of the former salute states of India with a gun salute of 9 guns. The native ruler of the state who held the title of Nawab exercised full jurisdictionary powers. He also enjoyed plenary jurisdiction and had the authority try for capital crimes, with the customary exclusion of European people and other foreigners. The state of Sachin was ranked 11th in order of precedence among the states of Gujarat, between Jawhar and Sant. The Nawab of the princely state of Sachin was an original member of the Chamber of Princes in his own right. The title of Nawab was obtained by Balu Miyan from Emperor Shah Alam II in the year 1791.

The last native ruler of Sachin state acceded the princely state to the Dominion of India, also known as Union of India, after the country gained independence from the British Dominion in the year 1947. Sachin state was an autonomous princely state during the Indian independence, but after the establishment of the state of Gujarat, it was merged with the district of Surat.