Sihai (pronounced as "SI-HAI") is a general reference to a group of villages (settlements: Sihai Khullen, Sihai Khunou and Sihai Kahaophung) in the north of Ukhrul District headquarters in Manipur. Sihai Khullen, the nearest from Ukhrul is about 37 kilometers from Ukhrul, connected partially by National Highway 150 (Imphal-Kohima via Ukhrul and Jessami Highway). Neighboring villages of the settlements are Khamasom, Longpi, Lunghar, Shirui, Mapum and Zingsui.