What is called factory premises?

Factory Premises in the sense the whole Factory Area.

Factory Premises - Registered Facility of an Organization to perform production, stores,for raw materials or finished goods to cover its objectives and functions as per company vision

enclosed space in a specially designed buildings and structures, in which the time (in shifts) or intermittent labor activity of people is carried out (during working hours).

a house or building, together with its land and outbuildings, occupied by a business or considered in an official context.