Prehen (possibly from Irish: preachan, meaning 'place of the crow') is a small townland and estate outside the city of Derry, County Londonderry, Northern Ireland. The estate is located in the Prehen and Brickkilns townland. Roads in the Prehen area consist of Victoria road, Prehen Park (other streets in estate), Corrody Road and Woodside Road. The estate is located between Derry city and Newbuildings just off the A5 and is accessible this way while the townland is located on the eastern part of the City Of Derry Golf Course and part of the Woodside Road (Corrody road junction).