The bouleuterion housed the boule or council of a Greek polis in the form of a roofed meeting space. Most, if not all, cities had one; the remains of more than fifty buildings are extant. Although there were also bouleuteria in large sanctuaries and federal capitals, the major examples are urban. Bouleuteria were almost always located near a city’s agora. Over time their architects designed increasingly unobstructed interior spaces.
Construction of dedicated bouleuteria began in the late archaic period; earlier councils may have met in porticoes or other buildings. Councils were generally composed of 100–500 bouletai and required a capacious meeting place; the bouleuterion became one of a city’s largest secular buildings. In the 5th and 4th centuries bce, the usual form was a hypostyle hall with symmetrically spaced interior columns, level floors, and seating on benches, as at Argos and Athens. Sloping stone seating was introduced early in the Hellenistic era and became standard; both rectilinear and curvilinear versions are known, the latter much more common. Secondary meeting spaces for committees of prytaneis or probouloi were sometimes adjacent. From c. 250 bce the design of bouleuteria became increasingly ambitious. After adoption of the wooden roofing truss, interior supports could be more widely spaced, as at Priene and Miletus, and eventually eliminated. Often the product of Hellenistic and Roman euergetism, bouleuteria were constructed by private citizens and rulers; sculptures were often dedicated within their precincts. Rare architectural sculpture was limited to motifs symbolizing the council’s role as a defense against a city’s enemies.
A majority of known bouleuteria are in Asia Minor, where Greek cities long retained their civic identity under Rome; membership in the council came to signify high status, in some places becoming hereditary. Many bouleuteria were built between the 2nd century bce and 2nd century ce, often incorporated, as at Ephesus and Aphrodisias, into large urban complexes. As multivalent roofed halls, bouleuteria provided useful settings for civic ceremonies and were often used for cultural activities including oratory and spectacle. Later examples became more like odeia or roofed theaters, with vast open interiors, a raised stage, and a two-storey scaenae frons that was separated from the cavea by parodoi and populated by sculptures of benefactors, deities, and emperors. When epigraphical evidence is lacking, identification of a later building as an odeion or bouleuterion can be uncertain; while some roofed halls may have served both functions, location on or near the agora points at least to political use. In Asia Minor some bouleuteria continued into the late antique period; the building at Nysa may have survived until the 10th or 11th century ce.
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