Thane (Marathi: ठाणे जिल्हा ʈʰaːɳeˑ) is a district in northern Maharashtra state in western India. As of 2011 it is the most populated district in the nation. The headquarters of the district is the city of Thane. Other major cities in the district are Navi Mumbai, Kalyan-Dombivli, Mira-Bhayander, Bhiwandi, Ulhasnagar, Ambarnath, Kulgaon-Badlapur, Dahanu, Shahapur, Wada and Vasai-Virar. This is the third-most industrialised district in Maharashtra.

The district is situated between 18°42' and 20°20' north latitudes and 72°45' and 73°48' east longitudes. The area of the district is 9558 km². The shape of the district is triangular. The district is bounded by Pune and Ahmadnagar on the east, Nashik on the east and northeast, Valsad District of Gujarat state and Union Territory of Dadra and Nagar Haveli on the north. The Arabian Sea forms the western boundary, while it is bounded by Mumbai City District and Mumbai Suburban District on the southwest and Raigad District on the south.

The district derived its name from the city of Thane, which is the district headquarters. The name Thane derived from the ancient name of the same city, Shristhanaka, when it was the capital of the Shilahara kings.

Thane (IPA: [ˈʈaɳe]) (Marathi : ठाणे) is a city in Maharashtra, India, part of the Mumbai Metropolitan Region, which is the northeastern suburb of Mumbai at the head of the Thane Creek. It is the administrative headquarters of Thane district. On 16 April 1853, the G.I.P. Railway’s first train ever to run in India rolled out from "Boree Bunder" (now the Chhatrapati Shivaji Terminus) to "Thane" (then Tannah), 34 kilometers away. This marked the dawn of the Railway Age in Asia. It covers an area of 147 km² and has a population more than 2.4 million according to the 2011 census.

Thane is located on Salsette Island to the northeast of Mumbai. Spanning an area of about 147 km², the city is located at an elevation of 7 meters above sea level. It is surrounded by hills, including the hill of Yeoor and Parsik Hill. It is divided by the Thane Creek, a stream that courses from the Ulhas River to the Arabian Sea that forms an estuary. Two road bridges and one rail bridge connect the two parts of the city. It is one of the oldest cities of India, with its history dating back to about 2,000 years.^{[citation needed]} Thane Municipal Corporation City's limits includes Kopri to the south, Wagle estate Naupada, Pachpakhadi to the west, Kalwa, Mumbra and Diva to the east and Manpada, Bramand, Kaserwadavli to the north. It is divided into politically two parts by the Thane Creek.

Prithviraj Chavan (Marathi: पृथ्वीराज चव्हाण, born 17 March 1946) is the current and 22nd Chief Minister of Maharashtra. The Indian National Congress selected him to be the successor of Ashok Chavan. He was a Member of the Parliament of India representing Maharashtra in the Rajya Sabha, the upper house of the Indian Parliament. He was the Minister of State in the Prime Minister’s Office.

He has graduated in Mechanical Engineering from Birla Institute of Technology and Science (BITS), Pilani, India. He also holds a Masters degree from the University of California at Berkeley. He wrote articles on computer science; engineering design; and also contribution to research in computerization of Indian languages in his early days before entering the politics.

Prithviraj Chavan was born to Late.Shri.Anandrao alias Dajisaheb Chavan who Member of Loksabha and served as Minister for various portfolios under the Prime-Ministership of Late.Pandit Jawaharlal Nehru,Late.Lal Bahadur Shastri and Late.Smt.Indira Gandhi.His mother was Late.Smt.Premalakaki Chavan,who was elected as Member of Loksabha after the death of her husband Late.Shri.Anandrao Chavan from his Karad constituency and served in the same capacity for all consecutive terms till her death in 1991. Chavan started his political career in 1991,his name was proposed by Mr. Hindurao Sakharam Jagtap (President Karad Taluka Youth congress Committee)in place of Smt.Premlatatai Chavan,his mother and won the family seat of Karad thrice, in '91, '96 and '98 and lost it in 1999.

Ganesh Naik born September 15, 1950 is an Indian politician. He is the Nationalist Congress Party member of the Maharashtra Legislative Assembly representing Belapur, and is the Thane Guardian Minister in the state government. He is currently the minister of Labour, excise and environment.

Ganesh Naik Wins From Belapur And Sandeep Naik From Airoli NCP Congress Belapur candidate Ganesh Naik beat his nearest poll rival BJP-Shiv Sena’s Suresh Haware with a margin of 12, 873 while Sandeep Naik has won from Airoli constituency with a margin of 11, 957.

Belapur Mla Ganesh Naik And Airoli Mla Sandeep Naik Take Oath In The First Session Of The New Assembly As the 288 members of the state assembly took oath, MLAs from Navi Mumbai – State Excise and Non Conventional Energy Minister Ganesh Naik and Airoli MLA Sandeep Naik taking the oath. Take a look.

In the midst of all political drama State Excise and Non Conventional Energy Minister Ganesh Naik and Airoli MLA Sandeep Naik took oath in the assembly. The father-son duo came together for the first session of the new assembly at Vidhan Bhavan. Ganesh Naik took the oath with the other top Ministers of the state. On the other hand MLA Sandeep Naik took oath post lunch.

Balasaheb Bhausaheb Thorat (Marathi: बाळासाहेब भाऊसाहेब थोरात), is an Indian politician. He has been active in Indian National Congress. He has been instrumental in the nourishing educational and cooperative institutions in Sangamner. Previously, portfolio of Agricultural ministry was held by him. He is currently the Minister for Minister of Revenue, and Khar Lands in the Government of Maharashtra.