- Population
- 392564, 389261, 388367, 387423, 386663, 386171, 387971
- Area
- 140.86
- Elevation
- 54 m
- demonym
- Bolonais, Bolonjano, bolognese, Bolognian, Bolognese, Bolognais, Bolognaise, bolonyès, bolonyesa, boloňský, Bolognees, Bolognezer
- described by source
- Nordisk familjebok, Otto's encyclopedia, Vlastenský slovník historický, Great Soviet Encyclopedia (1926–1947), Russian translation of Lübker's Antiquity Lexicon, Brockhaus and Efron Encyclopedic Dictionary, The Nuttall Encyclopædia, Sytin Military Encyclopedia, Jewish Encyclopedia of Brockhaus and Efron, Encyclopædia Britannica 11th edition, Pauly–Wissowa
- local dialing code
- 051
- native label
- Bologna
- nickname
- La dotta, La rossa, La grassa
- official name
- Bologna
- owner of
- Palazzo Bonaccorso, Palazzo Sanguinetti, Arcoveggio Stadium, Villa Spada, Garisenda tower, Mercato delle Erbe, Carmen Longo Stadium, Conserva di Valverde, Torre dell'Orologio, Rotonda della Madonna del Monte, Stadio Renato Dall'Ara
- postal code
- 40121, 40122, 40123, 40124, 40125, 40126, 40127, 40128, 40129, 40131, 40132, 40133
- twinned administrative body
- Leipzig, Zagreb, Bari, Valencia, Thessaloniki, St. Louis, Kharkiv, La Plata, San Fele, Pollica, Tuzla, Coventry
- vehicle registration plate code
- BO