Alias
- Also: Hodiana
- Also: Guadiana
- Odiana was the original name of the river Guadiana in SE Portugal which serves as border with Spain.
- The name Guadiana was adopted during the period of Spanish occupation, 1580-1640, but it never reverted back to Odiana once Portugal had recovered its independece.
Not to Scale


Chronicle entries in which Odiana River appears:
Citation: