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Persian Gulf

Ancient name
Erythraeaum Mare, Sinus Persicus
Modern name
Persian Gulf
The Persian Gulf goes by many names on the Sfera maps, including Gulf of Arabia (sinus arabicus, seno arabico and variants), Indian Sea or Gulf of India (mare d'india or sinum indicum), Chaldean Sea (mar caldeo), and Persian Sea (mare di persia). To add to the confusion, some of these (such as sinus arabicus) are also used for the Red Sea or Indian Sea.
Coordinates
27.0, 51.0
This toponym does not appear in the poem, only on the maps accompanying it.
Map of the location M037

Variant spellings of Persian Gulf in Sfera manuscripts

Variant Manuscripts
Arabicho sino Ashb6
ARABICO SINUS Med3, Wie1
Arabico Sinus Par3
Indicum sinnum Con3
MARE DINDIA Pnc5
Seno arabicho MB
Suggested citation
Beneš, Carrie. “Persian Gulf.” Gregorio Dati’s La sfera = The Globe: A Digital Edition, May 3, 2026. https://la-sfera-staging-a8db029690a6.herokuapp.com/toponyms/persian-gulf/.