Question - 
            
            
            
            
            Answer - 
            An urban agglomeration consists of any one of the following three combinations:
- a town and its adjoining urban outgrowths,
 - two or more contiguous towns with or without their outgrowths, and
 - a city and one or more adjoining towns with their outgrowths together forming a contiguous spread.
 
Examples of urban outgrowth are railway colonies, university campus, port area, military cantonment, etc. located within the revenue limits of a village or villages contiguous to the town or city.