Treptow-Köpenick is the ninth borough of LOCATION@1 , formed in LOCATION@1 's NUMBER@1 administrative reform by merging the former boroughs of Treptow and LOCATION@2 .

Treptow-Köpenick is a borough of LOCATION@1 , formed in NUMBER@1 by merging the former boroughs of Treptow and LOCATION@2 .
