Ireland is officially called as Ireland, it is located in the north western side of continental Europe surrounding from four sides with islands and islets. It is not only the Europe third biggest island but also twentieth biggest island in the world. It is spread over an area of 81, 638.1 kilometer square. Irish is the official language while Dublin is the largest city of Ireland. Major ethnic groups include Irish, Ulster Scots, and Irish Travellers. Half part of Ireland is located in United Kingdom that is called as Northern Ireland and Belfast is the largest and capital of this part.