Travel from Dublin to Edinburg

There is no train services between Dublin and Edinburgh nor any rail link between Ireland and Mainland UK, the only international rail link from Dublin is to Belfast City (Northern Ireland)...
For coach, there is a regular coach services between Dublin and London operated by NationalExpress EuroLines (www.eurolines.co.uk) which run to London via Birmingham... And you would require to connect onto another coach services from London upto Edinburgh... Or alternatively you can take the coach to Birmingham/London then taking trains (www.nationalrail.co.uk) to Edinburgh directly which... The time taken by coach from Dublin to Edinburgh would take approximately 1day...