Dublin

Ireland is a beutiful island located to the west of UK.
Dublin the capital of Ireland.
It takes around 2hrs15 minutes to travel from Frankfurt to Dublin by Air

Dublin city Map

http://www.dublintourist.com/maps/dublin_city_-_flash_version.shtml

Bus

You can travel in Bus to anywhere in the city.For details about the routes
you can take this

http://www.dublinbus.ie/home/

Hotel

I stayed in days hotel Rathmines.A suit will cost 75 euros perday including breakfast
Just 15 minutes walk to city center

http://www.dayshotelrathmines.com/