​Rathgar is on Dublins south side, it is near Rathmines, Ranelagh, Harolds Cross and Terenure. Rathgar is near the river Dodder, Bushy Park and Palmerston Park. Rathgar is around three kilometers away from Dublin Centre. Rathgar has  a few modes of public transport includuding the luas and the dublin bus.

The RSA operate from there premisis on Orwell road.