Is the Republic of Ireland the same as Ireland?

The Constitution of Ireland of 1937, provides that Ireland (or Éire in Irish) is the official name of the State and following the enactment of the Republic of Ireland Act of 1948, in 1949, Ireland became a Republic.
Is the Republic of Ireland part of Britain?
The island of Ireland comprises the Republic of Ireland, which is a sovereign country, and Northern Ireland, which is part of the United Kingdom.
Why is the Republic of Ireland not part of the UK?
A war of independence followed that ended with the Anglo-Irish Treaty of 1922, which partitioned Ireland between the Irish Free State, which gained dominion status within the British Empire, and a devolved administration in Northern Ireland, which remained part of the UK.
When did Ireland leave the UK?
In 1922, after the Irish War of Independence most of Ireland seceded from the United Kingdom to become the independent Irish Free State but under the Anglo-Irish Treaty the six northeastern counties, known as Northern Ireland, remained within the United Kingdom, creating the partition of Ireland.
What do Irish call Ireland?
Éire Hence, the Irish state has two official names, Éire (in Irish) and Ireland (in English). For official purposes, the Irish government uses the name Éire in documents written in Irish, while using Ireland where the language of the documents is English, including in international treaties and other legal documents.
Is the Republic of Ireland Protestant or Catholic?
Religion. Ireland has two main religious groups. The majority of Irish are Roman Catholic, and a smaller number are Protestant (mostly Anglicans and Presbyterians). However, there is a majority of Protestants in the northern province of Ulster.
Is Ireland still divided?
Geopolitically, Ireland is divided between the Republic of Ireland (officially named Ireland), which covers five-sixths of the island, and Northern Ireland, which is part of the United Kingdom. As of 2016, 4.8 million lived in the Republic of Ireland, and 1.8 million in Northern Ireland.
Why did Ireland leave the UK?
Both times the measure was rejected for two main reasons: There were a large number of people in Ireland who wanted to keep the Union between Britain and Ireland. Most of these Unionists lived in Ulster. Many British MPs felt that if Ireland got Home Rule then the rest of the British Empire would fall apart.
Why is Ireland divided?
The partition of Ireland (Irish: críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland divided Ireland into two self-governing polities: Northern Ireland and Southern Ireland. This was largely due to 17th-century British colonisation.
Are Irish people British?
The Irish, who live in the Republic of Ireland, have their own descent that has nothing to do with the British. People who live in the Republic of Ireland are Irish people. However, those who live in Northern Ireland (the UK part of the island) might say they are the Irish, but ALSO British.
Is Ireland still in the EU?
Ireland has been a member state of the European Union since 1973. Citizens of the United Kingdom can freely enter the country without a passport due to the Common Travel Area, which is a passport-free zone comprising the islands of Ireland, Great Britain, the Isle of Man and the Channel Islands.