Hockley Brook
It previously marked the boundary between Birmingham ( then Warwickshire ) and Smethwick ( then Staffordshire ) ; between the then Staffordshire country villages of Handsworth and Smethwick; and between Birmingham and Aston , before the city absorbed the latter district . 
<triplet> Warwickshire <subj> Staffordshire <obj> shares border with <triplet> Staffordshire <subj> Warwickshire <obj> shares border with <triplet> Handsworth <subj> Staffordshire <obj> located in the administrative territorial entity