Bianna was a young unmarried woman from Biennus (modern Viannos

Viannos

Viannos is a municipality in the Heraklion peripheral unit, Crete, Greece. Population 6,463 . The seat of the municipality is in Ano Viannos....

) in Crete, according to Stephanus of Byzantium

Stephanus of Byzantium

Stephen of Byzantium, also known as Stephanus Byzantinus , was the author of an important geographical dictionary entitled Ethnica...

. After a famine forced a mass emigration, she was among those who fled to an area of Gaul

Gaul

Gaul was a region of Western Europe during the Iron Age and Roman era, encompassing present day France, Luxembourg and Belgium, most of Switzerland, the western part of Northern Italy, as well as the parts of the Netherlands and Germany on the left bank of the Rhine. The Gauls were the speakers of...

 along the Rhone river

Rhône River

The Rhone is one of the major rivers of Europe, rising in Switzerland and running from there through southeastern France. At Arles, near its mouth on the Mediterranean Sea, the river divides into two branches, known as the Great Rhone and the Little Rhone...

. During a dance, a chasm opened up in the earth and engulfed her. Her companions then gave her name to the place, Vienna, which became the capital of the Celtic Allobroges

Allobroges

The Allobroges were a Celtic tribe of ancient Gaul, located between the Rhône River and the Lake of Geneva in what later became Savoy, Dauphiné, and Vivarais. Their cities were in the areas of modern-day Annecy, Chambéry and Grenoble, the modern of Isère, and modern Switzerland...

 (Vienne

Vienne, Isère

Vienne is a commune in south-eastern France, located south of Lyon, on the Rhône River. It is the second largest city after Grenoble in the Isère department, of which it is a subprefecture. The city's population was of 29,400 as of the 2001 census....

 in the Dauphiné

Dauphiné

The Dauphiné or Dauphiné Viennois is a former province in southeastern France, whose area roughly corresponded to that of the present departments of :Isère, :Drôme, and :Hautes-Alpes....

).

Sources

• Pierre Grimal
  Pierre Grimal
  Pierre Grimal was a French historian, classicist and Latinist. Fascinated by the Roman civilization, he did much to promote the cultural inheritance of ancient Rome, both among specialists and the general public.-Biography:Admitted to the École Normale Supérieure in 1933, and receiving a third in...
  
  , Classical Mythology (Blackwell, 1996, from the original French edition of 1951), p. 76 online.
• Stephanus of Byzantium, De urbibus et populi (ed. Gronovius
  Jakob Gronovius
  Jacobus Gronovius a.k.a. Jacob Gronow was a Dutch classical scholar.He was the son of the German classical scholar Johann Friedrich Gronovius and Aleyda ten Nuyl from Deventer, and father of the botanist Jan Frederik Gronovius...
  
  , p. pp. 166–167), citing Eusebius, Historia Ecclesiastica
  Church History (Eusebius)
  The Church History of Eusebius, the bishop of Caesarea was a 4th-century pioneer work giving a chronological account of the development of Early Christianity from the 1st century to the 4th century. It was written in Koine Greek, and survives also in Latin, Syriac and Armenian manuscripts...