Alexandra College is a fee-charging boarding and day school for girls located in Milltown, Dublin, Ireland. The school operates under a Church of Ireland ethos.

Milltown is a suburb on the southside of Dublin, Ireland. Milltown was the site of several working mills on the River Dodder and is also the location of the meeting of the River Slang with the Dodder. It is located adjacent to other suburban areas such as Windy Arbour, Ranelagh, Rathmines, Dartry, Clonskeagh, and Donnybrook.