Coorinates: 19°10′21″N 72°57′25″E / 19.172431, 72.957019 Thane (Marathi: ठाणे) (formerly Thana) is a city in Maharashtra, India, part of the Mumbai Conurbation, northeast of Mumbai at the head of the Thane Creek and is almost submerged in Mulund, a suburb of Mumbai with a mere road dividing both cities. It is the administrative headquarters of Thane District.