List of names of the Ottoman Empire

The state of the Ottomans, which began as part of the Anatolian Seljuk Sultanate and became an independent Empire, has been known historically by different names at different periods and in various languages. This page surveys the history of these names and their usage.
State phase, 1299.
The first declaration of statehood occurred under Osman I. 
Empire phase, 1453.
In diplomatic circles, the Ottoman government was often referred to as the "Porte" or the "Sublime Porte," a literal translation of the Ottoman Turkish "Bâb-ı Âlî", which was the only gate of Topkapı Palace open to foreigners and the location where the Sultan and his viziers greeted ambassadors.