The Atlantic Ocean, with the part of it that is immediately south of Ireland being known as the Celtic Sea.
The Irish Sea to the North and the Celtic Sea to the South
Geographically Leinster lies in the east of Ireland. It is part of what some people incorrectly refer to as "Southern Ireland". That is not an official name and it is geographically incorrect, as the most northerly point on the island of Ireland is actually in what some people refer to as the "south". See the maps below.
The Isle of Man lies between Britain and Ireland.
Ireland is an island in the Atlantic Ocean in north-western Europe. Canada lies directly to the west of Ireland across the Atlantic Ocean. Britain lies directly to the east of Ireland across the Irish Sea. See the maps below.
It is in the south midlands of Ireland.
It is in the south of Ireland, more precisely the southwest of Ireland.
the atlantic ocean, and to the east lies the irish sea
Italy lies south of the Alps.
Ireland
The Irish Sea.
Ireland - including Northern Ireland and Eire.
It is actually in the midlands of Ireland, close to the centre of the country, so it is not in the north, south, east or west of Ireland. It is in the Republic of Ireland, which is sometimes incorrectly referred to as "Southern Ireland" or the "South of Ireland".