The fortress of Doba, probably the present town of Diba al Hisn (25 ° 36’N – 56 ° 17’E) today in the emirate of Al-Sharjah in the United Arab Emirates, was a square fortress with round bastions and a tower in the center. The Portuguese controlled the city from 1624 to 1648.
For the image thanks to Prof. Nuno Varela Rubim and Prof. Rui Carita (“O Lyvro de Plantaforma das Fortalezas da Índia, na Fortaleza de S. Julião da Barra, com 22 plantas de anónimo (I Manuel Godinho de Erédia, de cerca de 1620), e 55 plantas de anónimo (II de cerca de 1640)”).
