Seeburger Zipfel
The Seeburger Zipfel ( Seeburg strip ) , comprising Weinmeisterhöhe and part of Groß Glienicke , was a Brandenburgian salient into Greater Berlin's city boundary and as such part of a land swap between Britain and the Soviet Union regarding West Berlin . 
<triplet> West Berlin <subj> Brandenburgian <obj> shares border with