The Battle of Diu was a naval battle fought on 3 February 1509 in the Arabian Sea, in the port of Diu, India, between the Portuguese Empire and a joint fleet of the Sultan of Gujarat, the Mamlûk Burji Sultanate of Egypt, and the Zamorin of Calicut with support of the Republic of Venice and the Ottoman Empire.
Massawa or Mitsiwa is a port city in the Northern Red Sea region of Eritrea, located on the Red Sea at the northern end of the Gulf of Zula beside the Dahlak Archipelago. It has been a historically important port for many centuries.
Suakin or Sawakin is a port city in northeastern Sudan, on the west coast of the Red Sea. It was formerly the region's chief port, but is now secondary to Port Sudan, about 50 kilometres (30 mi) north.
Estêvão da Gama was the Portuguese governor of Portuguese Gold Coast (1529–1535) and Portuguese India (1540–1542). Named after his paternal grandfather Estêvão da Gama, Estêvão was the second son of Vasco da Gama, and the brother of Cristóvão da Gama.
Cristóvão da Gama, anglicised as Christopher da Gama, was a Portuguese military commander who led a Portuguese army of 400 musketeers on a crusade in Ethiopia (1541–1543) against the Adal Muslim army of Imam Ahmad ibn Ibrahim al-Ghazi.
Debarwa is a market town in central Eritrea. It is situated about 25 kilometers south of the capital Asmara, and has a population of about 25,000 inhabitants. It is the capital of the Debarwa district (Tsilima) in the Debub ("Southern") administrative region.
Habesh Eyalet was an Ottoman eyalet. It was also known as the Eyalet of Jeddah and Habesh, as Jeddah was its chief town, and Habesh and Hejaz. It extended on the areas of coastal Hejaz and Northeast Africa that border the Red Sea basin. On the Northeast Africa littoral, the eyalet comprised Suakin and their hinterlands.
The Ottoman-Portuguese conflicts were a period of conflict during the Ottoman–Portuguese confrontations and series of armed military encounters between the Portuguese Empire and the Ottoman Empire along with regional allies in and along the Indian Ocean, Persian Gulf, and Red Sea.
The Ottoman–Portuguese Conflicts (1586–1589) were armed military engagements which took place between the Portuguese Empire and the Ottoman Empire along the coast of eastern Africa. The conflict resulted from the expansion of the Portuguese Empire into territory controlled by the Adal Sultanate.
The Battle of the Gulf of Oman was a naval battle between a large Portuguese armada under Dom Fernando de Meneses and the Ottoman Indian fleet under Seydi Ali Reis. The campaign was a catastrophic failure for the Ottomans who lost all of their ships.
Medri Bahri, also known as Medre Bahr, was a semi-autonomous kingdom within the Ethiopian Empire, located in present day Eritrea and some surrounding areas. The kingdom was founded in 1448 when Emperor Zara Yaqob reorganized the northern highlands into one administration under a Bahr Negus.
Sefer Reis was an Ottoman admiral and privateer who was active against the Portuguese in the Indian Ocean in the 16th century.
The Ottoman Empire conquered the Habesh starting in 1557, when Özdemir Pasha took the port city of Massawa and the adjacent city of Arqiqo, even taking Debarwa, then capital of the local ruler Bahr negus Yeshaq. They administered this area as the province of Habesh. Yeshaq sought the assistance of emperor Gelawdewos, reinforced by a large Abyssinian army, he recaptured Debarwa, taking all the gold the invaders had piled within. In 1560 Yeshaq, disillusioned with the new Emperor of Ethiopia, revolted with Ottoman support but pledged his support again with the crowning of Emperor Sarsa Dengel. However, not long after, Yeshaq revolted once again with Ottoman support but was defeated once and for all, leaving the Ottomans with domain over Massawa, Arqiqo, and some of the nearby coastal environs, which were soon transferred to the control of Beja Na'ibs (deputies).
The Battle of the Strait of Hormuz was fought in August 1553 between an Ottoman fleet, commanded by Admiral Murat Reis, against a Portuguese fleet of Dom Diogo de Noronha. The Turks were forced to retreat after clashing with the Portuguese.
The siege of Bahrain of 1559 occurred when forces of the Ottoman Empire, commanded by the governor of the Lahsa eyalet Mustafa Pasha, attempted to seize Bahrain, and thus wrest control of the island and its famed pearl trade from the Portuguese Empire. The siege was unsuccessful, and the Portuguese defeated the Turks when reinforcements were dispatched by sea from the fortress of Hormuz.
The Battle of Suakin of 1541 was an armed encounter that took place in 1541 in the city of Suakin, held by the Ottoman Empire, and which was attacked, sacked and razed by Portuguese forces under the command of the Portuguese governor of India, Dom Estêvão da Gama.
The Battle of El Tor was a military engagement that took place in 1541, between Portuguese forces under the command of the Governor of India Dom Estevão da Gama and those of the Ottoman Empire then in the city of El Tor, on the Sinai Peninsula. The Turks were driven from the city, but at the request of Christian monks from the Monastery of Saint Catherine the Portuguese spared the city from being plundered, and celebrated a mass and a knighting ceremony therein.
The Attack on Jeddah occurred in 1541 and was the last attempt by the Portuguese to capture the city.
Gujarati-Portuguese conflicts refers to the armed engagements between the Portuguese Empire and the Sultanate of Gujarat, in India, that took place from 1508 until Gujarat was annexed by the Mughal Empire in 1573.
Portuguese Empire 
Ottoman Empire 