Muhiddin Piri, better known as Piri Reis, was an Ottoman corsair, navigator, geographer, and cartographer. He is primarily known today for his cartographic works, including his 1513 world map and the Kitab-ı Bahriye, a book with detailed information on early navigational techniques as well as relatively accurate charts for their time, describing the ports and cities of the Mediterranean Sea.
The Battle of Preveza was a naval engagement that took place on 28 September 1538 near Preveza in the Ionian Sea in northwestern Greece between an Ottoman fleet and that of a Holy League. The battle was an Ottoman victory which occurred in the same area in the Ionian Sea as the Battle of Actium in 31 BC. It was one of the three largest sea battles that took place in the sixteenth century Mediterranean, along with the Battle of Djerba and the Battle of Lepanto.
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.
Murat Reis the Elder was an Ottoman privateer and admiral, who served in the Ottoman Navy. He is regarded as one of the most important Barbary corsairs.
Kurtoğlu Muslihiddin Reis was the admiral of the Ottoman Empire, as well as the Sanjak Bey of Rhodes. He played an important role in the Ottoman conquests of Egypt (1517) and Rhodes (1522) during which he commanded the Ottoman naval forces. He also helped establish the Ottoman Indian Ocean Fleet based in Suez, which was later commanded by his son, Kurtoğlu Hızır Reis.
Seydi Ali Reis (1498–1563), formerly also written Sidi Ali Reis and Sidi Ali Ben Hossein, was an Ottoman admiral and navigator. Known also as Katib-i Rumi, Galatalı or Sidi Ali Çelebi, he commanded the left wing of the Ottoman fleet at the naval Battle of Preveza in 1538. He was later promoted to the rank of fleet admiral of the Ottoman fleet in the Indian Ocean, and as such, encountered the Portuguese forces based in the Indian city of Goa on several occasions in 1554. Seydi was able to unite several Muslim countries on the coast of the Arabian Sea against the Portuguese.
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 siege of Diu occurred when an army of the Sultanate of Gujarat under Khadjar Safar, aided by forces of the Ottoman Empire, attempted to capture the city of Diu in 1538, then held by the Portuguese. The siege was part of the Ottoman-Portuguese war. The Portuguese successfully resisted the four-month long siege.
The Portuguese conquest of Hormuz in 1507 occurred when the Portuguese Afonso de Albuquerque attacked Hormuz Island to establish the Fortress of Hormuz. This conquest gave the Portuguese full control of the trade between India and Europe passing through the Persian Gulf.
The Portuguese–Safavid wars were a series of wars between the Portuguese Empire and Safavid Iran from 1507 to 1625. The Portuguese were also supported by Kingdom of Hormuz, its vassal, and Safavids had the help of the Kingdom of England on the other side.
The capture of Muscat occurred in 1552, when an Ottoman fleet under Piri Reis attacked Old Muscat, in modern Oman, and plundered the town from the Portuguese. These events followed the important Ottoman defeat in the third siege of Diu in 1546, which put a stop to their attempts in India, but also the successful capture of Aden in 1548, which allowed the Ottomans to resist the Portuguese in the northwestern part of the Indian Ocean.
The Ottoman campaign against Hormuz took place in 1552–1554. An Ottoman fleet led by Admiral Piri Reis and Seydi Ali Reis was dispatched from the Ottoman harbour of Suez to eliminate the Portuguese presence from the northwestern part of the Indian Ocean, and especially their fortress at Hormuz Island.
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.
Sefer Reis was an Ottoman admiral and privateer who was active against the Portuguese in the Indian Ocean in the 16th century.
The War of the League of the Indies was a military conflict in which a pan-Asian alliance formed primarily by the Sultanate of Bijapur, the Sultanate of Ahmadnagar, the Kingdom of Calicut, and the Sultanate of Aceh, referred to by the Portuguese historian António Pinto Pereira as the "league of kings of India", "the confederated kings", or simply "the league", attempted to overturn Portuguese presence in the Indian Ocean. This was attempted through a combined assault on some of the main possessions of the Portuguese State of India: Malacca, Chaul, Chale fort, and the capital of the maritime empire in Asia, Goa.
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.
Dom Diogo de Noronha was an important Portuguese military and a naval officer from the 16th century. He served in Portuguese Asia under viceroys Dom Afonso de Noronha (1550-1554), Dom Pedro Mascarenhas (1554-1555), governor Francisco Barreto (1555-1558) and viceroy Dom Constantino de Braganza (1558-1561). He is mostly recorded as the first Portuguese captain of Daman, India and one of the fathers of the Portuguese Northern Province.
The siege of Qatif was a military confrontation between the Portuguese Empire and the Ottoman Empire at Qatif in 1551. The Portuguese, together with their Hormuzi vassals successfully sieged, captured and demolished the fort captured from the Ottomans.
Acehnese–Portuguese conflicts were the military engagements between the forces of the Portuguese Empire, established at Malacca in the Malay Peninsula, and the Sultanate of Aceh, fought intermittently from 1519 to 1639 in Sumatra, the Malay Peninsula or the Strait of Malacca. The Portuguese supported, or were supported, by various Malay or Sumatran states who opposed Acehnese expansionism, while the Acehnese received support from the Ottoman Empire and the Dutch East India Company.
Portuguese Empire 
Ottoman Empire ![Portuguese in the Persian Gulf and Red Sea.Light Green - Possessions and main cities . Dark Green - Allieds [sic?] or under influence. Yellow - Main Factories. Portuguese Empire V37.png](http://upload.wikimedia.org/wikipedia/commons/thumb/0/06/Portuguese_Empire_V37.png/309px-Portuguese_Empire_V37.png)
