 Alternatively, this name may refer to the hidden goddess Dhakeshwari, whose temple is located in the south-western part of the city.Another popular theory states that Dhaka refers to a membranophone instrument, "dhak" which was played by order of Subahdar Islam Khan I during the inaugurating of the Bengal capital in 1610.Some references also say it was derived from a Prakrit dialect called Dhaka Bhasa; or Dhakka, used in the Rajtarangini for a watch-station; or it is the same as Davaka, mentioned in the Allahabad pillar inscription of Samudragupta as an eastern frontier kingdom.