That will depend on a lot of things, like your own nationality. As a general rule you should always bring a passport with you when you are travelling internationally, as you are at least going to be asked for photo ID of some sort.
only if you are going to Northern Ireland, you need a passport to travel between England and Ireland.
Yes, you need to have at least 6 months validity on your passport to travel to Italy.
Yes
Yes.
You don't need a passport to travel between the UK and the Republic of Ireland.
Your passport should not expire within six months of your planned travel to Italy.
If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.If you are not an Irish or British citizen, you will need a passport. Ireland and Britain have a free travel area arrangement, but most people will still bring a passport anyway.
no because you need a Italy passport. You cant use a us passport
For the EU citizen, to travel inside EU (like from Ireland to Poland) a valid ID is required, but not necessary a passport.
yes you do im Irish
It depends on your nationality (the passport you hold).
A Passport.