Churches, Temples, Cathedrals
Christianity.
Christianity is the most widely practiced religion in Europe
Christianity followed by Islam are the widely practiced religions in Europe.
Christianity.
Islam is the most widely practiced religion in Algeria by far, with over 99% of Algerians practicing Sunni Islam. Christianity and Judaism are the next most widely practiced, both combining to form 1% of the population.
Southwest Asia
most widely the religious groups were pagans; polythesists
I tend to think of Catholicism as a branch of Christianity. In that case, Christianity is the most widely practiced religion worldwide. Catholicism is the largest group / church / denomination / division within Christianity, and I believe it is the largest such group worldwide as well, considering divisions of all other religions.
Greek mythology ceased to be widely believed and practiced in ancient Greece with the rise of Christianity in the 4th century AD.
Christianity
Christianity.
Churches, Temples, Cathedrals