Sagarmatha Zone
Sagarmāthā () was one of the fourteen zones of Nepal until the restructuring of zones into provinces. "Sagarmāthā" is a Nepali word derived from सगर् (sagar) meaning "sky" and माथा (māthā) meaning "head".
Sagarmatha Highway
Sagarmatha Highway is a National Highway of Nepal that connects Khotang District to Saptari District via Udayapur District. At Kadmaha the Sagarmatha Highway joins Mahendra Highway which also called East-West National Highway which runs across the Terai geographical regions of Nepal.