Grenland Bridge
It crosses the Frierfjord , a fjord which separates the municipalities of Porsgrunn and Bamble in Vestfold og Telemark county . 
<triplet> Porsgrunn <subj> Bamble <obj> shares border with <subj> Vestfold og Telemark <obj> located in the administrative territorial entity <triplet> Bamble <subj> Porsgrunn <obj> shares border with <subj> Vestfold og Telemark <obj> located in the administrative territorial entity <triplet> Vestfold og Telemark <subj> Porsgrunn <obj> contains administrative territorial entity <subj> Bamble <obj> contains administrative territorial entity <subj> county <obj> instance of