He grew up in Roman Britain, probably in Scotland. He was kidnapped and spent 6 years in Ireland. Once he escaped, he returned to Britain and then spent a number of years in Europe, probably France and Italy, studying for the priesthood. He was then sent by Pope Celestine I back to Ireland as a missionary where he spent the rest of his life.
Ireland
Saint Patrick is the patron saint of Ireland, Montserrat and Nigeria.
Saint Patrick did not 'start' any country. He did go to Ireland as a missionary but did not found that country.
Saint Patrick worked in Ireland, of course.
Patrick is the patron saint of Ireland and Nigeria.
The country that Saint Patrick originally came from was Roman Britain, probably Scotland.
Ireland
America
He died in Ireland.
India is not a primarily Catholic country and Patrick is not a major saint for them. A few Catholics in the country may honor him on his feast day.
St. Patrick is credited with bringing Christianity to Ireland.
St. Patrick is the Patron Saint of Ireland and Ireland is a predominately Catholic country.
Saint Patrick drove the snakes from Ireland is just a myth since that country has never had snakes.