Perumbavoor is a municipality in Ernakulam District in the Indian state of Kerala.Also known as Bihar City, It lies in the North Eastern tip of the Greater Cochin area and is also the headquarters of Kunnathunad Taluk. Perumbavoor is famed in the state for wood industries and small-scale industries. Ernakulam lies 33 km southwest of Perumbavoor. The town lies between Angamaly and Muvattupuzha on the Main Central Road (MC), which connects Thiruvananthapuram to Angamaly through the old Travancore part of Kerala. Perumbavoor lies in the banks of rivers Periyar and Muvattupuzha.Perumbavoor probabily is the land of merchant's and business.Perumbavoor has many immigrants from other parts of India. Most work in the plywood or other industries. Tamils and Nepalese have special colonies of their own.