This document discusses the architectural features of several Catholic churches in Nairobi from the perspective of an architect. It examines the spatial layouts including the narthex, nave and sanctuary. Specific churches highlighted include St. Austin's Parish Church with a cruciform design, St. Benedict's Parish Church with a central plan, Our Lady of the Rosary Church with a circular interior, Holy Family Basilica with a cruciform shape, and Don Bosco Church also having a circular layout. Interior and exterior images are provided for some churches.