I.Geography,Land and Environment Ireland is a small island off the northwest coast of Great Britain. It is divided into the Republic of Ireland and Northern Ireland. The total area of the island of Ireland is 84,421 square kilometers. The area of Northern Ireland is 14,139 square kilometers. The area of the Republic of Ireland:70,282 square kilometers.I. Geography, Land and Environment • Ireland is a small island off the northwest coast of Great Britain. • It is divided into the Republic of Ireland and Northern Ireland. • The total area of the island of Ireland is 84,421 square kilometers. • The area of Northern Ireland is 14,139 square kilometers. • The area of the Republic of Ireland: 70,282 square kilometers