It began in the Kingdom of Judah, in the city of Jerusalem, in the modern nation-state of Israel.
If you mean where did Christianity begin, it began in Israel.
Christianity was begun in Jerusalem, which is now Isreal.
Antioch is situated where modern-day Antakya, Turkey lies.
It began in the Middle East, in the country of Israel, (which is in Western Asia.)
Many modern scholars agree, Christianity (The Way, Nazarenes) began at the Upper Room, in the City of Jerusalem, on Pentecost Sunday, 17 June 31 AD.
It started in what would be modern-day Israel, but began to spread around the world shortly after.
Christianity began when Jesus of Nazareth began his ministry in Judea (now Israel)
Christianity began to lose ground to 'secularism' especially in Western Europe from the 19th Century to present. Offsetting these losses was the spreading of Christianity to the non Western world which continues to this day. See related link below:
Hinduism first began in the great country of India. Mythology states that hinduism began in modern kashi in India.
Jesus was resurrected (raised from the dead and in Heaven) when Christianity began. Christianity began with Jewish apostles who believed that Jesus was the Messiah.
THE modern history of Jehovah's Witnesses began began in Allegheny, Pennsylvania, U.S.A., which is now a part of Pittsburgh.