Before this page was changed to List urban areas of the UK from List of conurbations of the UK and thus excluding the Liverpool Manchester Conurbation There are plenty of sources out there referencing to a Liverpool Manchester conurbation samples found  from the University of Manchester here httpswwwescholarmanchesteracukukacmanscw and in this book here LiverpoolManchester conurbation and in this book on Metropolitan Governence and Spatial Planning here LiverpoolManchester conurbation and this book here LiverpoolManchester conurbation and from Invest in Sefton here httpwwwinvestseftoncominvestmentlifestyle and here liverpoolmanchester conurbation jointly have a combined population of  million as the article was changed they dont fit current criteria and to previous editors who are not happy with those sticking to there guns in keeping the two cities separated Look at conurbation which is a region comprising a number of cities large towns and other urban areas that through population growth and physical expansion have merged to form one continuous urban and industrially developed area example of one link there are others via Warrington where Greater Manchester links directly with Liverpool continuously starting from Manchester city centreSalfordSwintonWalkdenWorsleyAstleyTyldesleyAthertonLeighGolborneAshton in MakerfieldHaydockSt HelensPrescotHuytonBroadgreenWavertreeEdge HillLiverpool City Centre Which according to MerriamWebsters Dictionarys definition of a conurbation  a large area consisting of cities or towns that have grown so that there is very little room between them the urban link I have shown has no room between them consider a seperate UK article based on the original conurbation article