What does Guiāna mean in Latin?

Guiāna, a proper noun, means “Guyana (a country in South America; capital: Georgiōpolis)”.

What is the genitive of Guiāna?

The genitive singular is Guiānae. Guiāna is feminine, first declension.

proper noun · femininefirst declension

Guiāna f sg (genitive Guiānae)

Ecclesiastical[ɡʷiˈaː.na]

Borrowed from Spanish Guyana.

What does Guiāna mean in Latin?: Guiāna, a proper noun, means “Guyana (a country in South America; capital: Georgiōpolis)”.
What is the genitive of Guiāna?: The genitive singular is Guiānae. Guiāna is feminine, first declension.