Barking is an interchange station serving the town of Barking, east London. It is served by London Underground, London Overground and National Rail main line services. It is located on Station Parade, in the town centre.
On the Underground it is a stop on the District line and is also the eastern terminus of the Hammersmith & City line; on the National Rail network it is served by c2c services operating to and from Fenchurch Street; and on the Overground it was formerly the eastern terminus of the Gospel Oak to Barking line, which has now been extended to Barking Riverside. There is also interchange with London Buses and East London Transit routes on the station frontage. The Underground station is the busiest in the network outside of Zones 1 and 2.
Wikipedia https://en.wikipedia.org/wiki/Barking_station
Coordinates 51°32'24.964" N 0°4'45.564" E