Haramain high-speed railway
It links the Muslim holy cities of Medina and Mecca via King Abdullah Economic City , using of main line and a branch connection to King Abdulaziz International Airport ( KAIA ) , in Jeddah . 
<triplet> Medina <subj> Mecca <obj> twinned administrative body <triplet> Mecca <subj> Medina <obj> twinned administrative body <triplet> King Abdulaziz International Airport <subj> Jeddah <obj> located in the administrative territorial entity