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Rotunda (architecture)


A rotunda (from Latin rotundus) is any building with a circular ground plan, and sometimes covered by a dome. It can also refer to a round room within a building (a famous example being within the United States Capitol in Washington, D.C.). The Pantheon in Rome is a famous rotunda. A Band Rotunda is a circular bandstand, usually with a dome.

The rotunda has historical and architectural value because it was widespread in medieval Central Europe. A great number of parochial churches were built in this form in the 9th to 11th centuries BCE in Central Europe. This type of circular shaped parochial building can be found in great number in Hungary, Poland, Slovakia, Croatia, Austria, Bavaria, Dalmatia, Germany, and the Czech Republic. It was thought of as a structure descending from the Roman Pantheon. However, it can be found mainly not on former Roman territories, but in Central Europe. Generally its size was 6–9 meters inner diameter and the apsis was directed toward the east. Sometimes 3 or 4 apsides were glued to the central circle and this type has relatives even in the Caucasus.

The famous Rotunda church in Thessaloniki, Greece.

The Baptistery at the Piazza dei Miracoli, Pisa, Italy


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