Charlie Slater is a fictional character from the BBC soap opera EastEnders, played by Derek Martin. Charlie's first appearance is in the episode first broadcast in the United Kingdom on 4 September 2000. He was played by Jason McGregor in flashbacks broadcast in 2001 and Richie Daysh in a 2018 flashback. He also makes a cameo appearance in the second series of the spin-off EastEnders: E20.

Walford is a fictional borough of east London in the BBC soap opera EastEnders. It is the primary setting for the soap. EastEnders is filmed at Borehamwood in Hertfordshire, towards the north-west of London. Much of the location work is filmed in nearby Watford, which was chosen for many of the exterior scenes due to its close proximity and the town's name being so similar to Walford. Thus, any stray road signs or advertising boards which are accidentally filmed in the back of shots will appear to read Walford. Locations used in Watford include most interior and exterior church scenes of various churches, the snooker club, the County Court and Magistrates' Courts courtrooms, and the cemetery.