If you mean where did Christianity begin, it began in Israel.
The country that influenced Christianity in the U.S. was England.
Ethiopia
Egypt
Armenia was the first country to adopt Christianity as its official religion in the year 301 AD.
india
Christianity #)
Israel.
Jerusalem, Israel.
Christianity does not belong to any specific country. Every country on earth has at least one person who is a Christian. Vatican City in Rome harbors the pope, who leads the church.
The country that bans and confiscates books on Christianity is Uzbekistan.They impose a strict censorship on all religious material that comes into the country.
Vatican City
Isreal. Specifically Jeruselum.