In which city is the largest basilica in the world?
In Yamoussoukro. The Basilica of Our Lady of Peace is a Catholic minor basilica dedicated to Our Lady of Peace in Yamoussoukro, the administrative capital of Côte d'Ivoire (Ivory Coast). Guinness World Records lists it as the largest "church" in the world, having surpassed the previous record holder, St. Peter's Basilica, upon completion. It can accommodate 18,000 worshippers.