LOCATION@1 was an independent city to the west of LOCATION@2 until NUMBER@1 when it was incorporated into `` Groß-Berlin '' -LRB- LOCATION@3 -RRB- and transformed into a borough .

LOCATION@1 was an independent city to the west of LOCATION@2 until NUMBER@1 . Then it was made part of LOCATION@4 -LRB- LOCATION@3 -RRB- and turned into a borough .
