Lake Maggiore
The lake and its shoreline are divided between the Italian regions of Piedmont and Lombardy and the Swiss canton of Ticino . 
<triplet> Piedmont <subj> Lombardy <obj> shares border with <subj> Ticino <obj> shares border with <triplet> Lombardy <subj> Piedmont <obj> shares border with <subj> Ticino <obj> shares border with <triplet> Ticino <subj> Piedmont <obj> shares border with <subj> Lombardy <obj> shares border with