sentences:  Electoral district of Middle Harbour
  
  Middle Harbour was an electoral district for the Legislative Assembly in the Australian state of New South Wales, named after Middle Harbour, Sydney and was originally created in the 1904 re-distirbution of electorates following the 1903 New South Wales referendum, which required the number of members of the Legislative Assembly to be reduced from 125 to 90.It consisted of part of the abolished seat of Warringah with the balance of Warringah going to St Leonards.