The Florence Baptistery, also known as the Baptistery of Saint John, is a religious building in Florence, Italy, and has the status of a minor basilica. The octagonal baptistery stands in both the Piazza del Duomo and the Piazza San Giovanni, across from Florence Cathedral and the Campanile di Giotto.
Florence Baptistery (Battistero di San Giovanni)
Mosaic-covered interior of the octagonal dome
Illustration from Villani's Nuova Cronica, showing Totila razing the walls of Florence in the 6th century, leaving a previous Baptistery intact
View of the Baptistery from southwest with the scarsella on the west side
In geometry, an octagon is an eight-sided polygon or 8-gon.
The octagonal floor plan, Dome of the Rock, Quds.
Umbrellas often have an octagonal outline.
The famous Bukhara rug design incorporates an octagonal "elephant's foot" motif.
Janggi uses octagonal pieces.