The names Ireland and Éire derive from Old Irish Ériu, a goddess in Irish mythology first recorded in the ninth century. The etymology of Ériu is disputed but may derive from the Proto-Indo-European root *h2uer, referring … 展开

During the last glacial period, and until about 16,000 BC, much of Ireland was periodically covered in ice. The relative sea level was less than 50m lower resulting in an ice bridge (but not a land bridge) forming between Ireland … 展开

The island is divided between the Republic of Ireland, an independent state, and Northern Ireland, a constituent country of the United Kingdom. They share an open border and both are part of the Common Travel Area and … 展开

Ireland is located in the north-west of Europe, between latitudes 51° and 56° N, and longitudes 11° and 5° W. It is separated from Great Britain by the Irish Sea and the North Channel, which has a width of 23 kilometres (14 m… 展开

Unlike Great Britain which had a land bridge with mainland Europe, Ireland only had an ice bridge ending around 14,000 years ago at the end of the last ice age and as a result, it has fewer land animal and plant species tha… 展开