Northern Island is 5 463 sq mi, which is equivalent to 14 148 sq km.
Northern Ireland's area is 5,340 square miles (13,800 square kilometers).
Northern Ireland's area is 5,345 sq miles (13,843 km²).
Northern Ireland Northern Ireland is a part of The United Kingdom of Great Britain and Northern Ireland. Its area is about 5459 square miles or 12,843 square kilometres, approximately one sixth of the island of Ireland. It's population is about 1,685,000.
5,344.81 square miles
2,844 square kilometres or 1,098 square miles.
It is about 512 square miles. That is about 1326 square kilometres. It is the smallest county in Northern Ireland and the 6th smallest in all of Ireland.
Northern Ireland covers an area of approximately 14,139 square kilometers (5,505 square miles). It is the smallest of the four constituent countries of the United Kingdom. Northern Ireland is located on the island of Ireland, sharing a border with the Republic of Ireland to the south and west.
Ireland is the third largest island in Europe and is situated northwest of mainland Europe. It includes the Republic of Ireland and Northern Ireland and has a total land area of about 81,638 square kilometers or 31,521 miles. Thee republic of Ireland takes up 70,293 square kilometers or 27,133 square miles.
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What you are referring to is the Republic of Ireland. The term southern Ireland is often used for it purely to distinguish it from Northern Ireland, although in fact the most northerly point of the island of Ireland is in the Republic of Ireland and not Northern Ireland. The Republic of Ireland is about 70,273 square kilometres or 27,133 square miles.
The United Kingdom of Great Britain and Northern Ireland is 94,058 square miles or 243,610 sq km
The Republic of Ireland's land area is 26,596 square miles. Another 540 square miles is water. (about 1.98%)