A conurbation is an urban area comprising a number of cities, large towns and larger urban areas that, through population growth and physical expansion, have merged to form one continuous urban and industrial built up area. It is thus a polycentric form of agglomeration. In most cases, transportation has developed to link areas within the conurbation, to create a single urban labour market or travel to work area. The term was coined as a neologism in 1915 by Patrick Geddes in his book Cities I… (More on Conurbation)