Eastern Orthodox church architecture constitutes a distinct, recognizable family of styles among church architectures.These styles share a cluster of fundamental similarities, having been influenced by the common legacy of Byzantine architecture from the Eastern Roman Empire.Some of the styles have become associated with the particular traditions of one …

The Orthodox Church in America (OCA) is an Eastern Orthodox Christian church based in North America.The OCA is partly recognized as autocephalous and consists of more than 700 parishes, missions, communities, monasteries and institutions in the United States, Canada and Mexico.: 68 In 2011, it had an estimated 84,900 members in the United States. The OCA has its origins in a …