NA-25 (Dera Ismail Khan-cum-Tank)
NA-25 was a constituency for the National Assembly of Pakistan. It was split into NA-37 (Tank) and NA-39 (Dera Ismail Khan-II) in 2018. The constituency was established as NA-25 in 1977 when Tank was part of Dera Ismail Khan District as one of its tehsils. In 1992, with Tank becoming a district itself, the constituency name was changed to NA-25.