List of Berlin U-Bahn stations
B

Station
Line
Opened
Situation
Bayerischer Platz
U4
1 December 1910
underground
Bayerischer Platz
U7
19 January 1971
underground
Berliner Straße
U7
29 January 1971
underground
Berliner Straße
U9
29 January 1971
underground
Bernauer Straße
U8
18 April 1930
underground
Biesdorf-Süd
U5
1 July 1988
at grade
Birkenstraße
U9
28 January 1961
underground
Bismarckstraße
U2
28 April 1978
underground
Bismarckstraße
U7
28 April 1978
underground
Blaschkoallee
U7
28 September 1963
underground
Blissestraße
U7
29 January 1971
underground
Boddinstraße
U8
17 July 1927
underground
Borsigwerke
U6
31 May 1958
underground
Breitenbachplatz
U3
12 October 1913
underground
Brandenburger Tor
U55
8 August 2009
underground
Britz-Süd
U7
29 September 1963
underground
Bülowstraße
U2
11 March 1902
elevated
Bundestag
U55
8 August 2009
underground
Bundesplatz
U9
29 January 1971
underground

Question: Which subway station is on the U4 and U7 lines on the U-Bahn, and what city is the station located in?
Answer: Bayerischer Platz is a Berlin U-Bahn station on the U4 and the U7 lines.