Solan
The city is situated between Chandigarh ( joint capital of Punjab and Harayana ) and Shimla ( state capital ) on the Kalka-Shimla National Highway-22 . 
<triplet> Chandigarh <subj> Punjab <obj> shares border with <subj> Harayana <obj> shares border with <triplet> Punjab <subj> Chandigarh <obj> capital <subj> Harayana <obj> shares border with <triplet> Harayana <subj> Chandigarh <obj> shares border with <subj> Punjab <obj> shares border with <triplet> Kalka-Shimla National Highway-22 <subj> Chandigarh <obj> located in the administrative territorial entity <subj> Punjab <obj> located in the administrative territorial entity <subj> Harayana <obj> located in the administrative territorial entity