Narbonen'sis or Bracca'ta, bounded on the west by the Pyrenees; on the north by the Cevennian mountains, and on the east by the Va'rus, _Var_: 2.

Lugdunen'sis or Cel'tica, bounded on the south and west by the Li'ger, _Loire_; on the north by the Sequa'na, _Seine_, and on the east by the A'rar, _Saone_: 3.

Aquita'nica, bounded by the Pyrenees on the south, and the Li'ger on the north and east: 4.

Bel'gica, bounded on the north and east by the Rhe'nus, _Rhine;_ on the west by the Arar, and on the south by the Rhoda'nus, _Rhone_, as far as the city Lugdu'num, _Lyons_.

Helve'tia, the modern Switzerland, was included in Belgic Gaul.