The North Channel, which is part of the Irish Sea, and the Atlantic Ocean.
yes there are no border restrictions from the republic,
republic or Ireland
On the island of Ireland you will find the country officially known as Ireland or Éire, sometimes referred to as the Republic of Ireland or incorrectly referred to as Southern Ireland. You will also find Northern Ireland on the island of Ireland.
There is only one that is Northern Ireland (UK)
The Republic of Ireland has a common border with the six counties of Northern Ireland which is part of the UK.
None, really. You just drive over the border.
The Republic of Ireland. It has a border with Northern Ireland, which is part of the UK.
There is the border between the Republic of Ireland and Northern Ireland, in the northern part of Ireland. The most northern point on the island of Ireland is actually in the Republic of Ireland, not Northern Ireland, as you will see at the map at the link below. Around the northern coast, is the Atlantic Ocean.
If you mean is there border control between the Republic of Ireland and Northern Ireland then no there's not you can just drive across the border and not even know
No. Louth is in the east of Ireland, being part of what is mistakenly referred to as southern Ireland, but more commonly known as the Republic of Ireland to distinguish it from Northern Ireland. It does border Northern Ireland. See the map below which shows county Louth in bright green and Northern Ireland in pink.
Yes they both border each other.
Northern Ireland - it shares a border with Eire - but is a separate island from the mainland.