<Ul> <Li> Bāb - i ʿĀlī (باب عالی, "The Sublime Porte"); A metonym referring to the gate of Topkapı Palace . </Li> <Li> Der - i Devlet (در دولت "Abode of the State") </Li> <Li> Der - i Saʿādet (در سعادت "Abode of Felicity" or "Abode of Eudaimonia") </Li> <Li> Āsitāne (آستانه "Threshold"); Referring to the imperial court . </Li> <Li> Pāy - taḫt or sometimes Pāyitaḫt (پای تخت, "The Seat / Base of the Throne") </Li> </Ul> <Li> Bāb - i ʿĀlī (باب عالی, "The Sublime Porte"); A metonym referring to the gate of Topkapı Palace . </Li> <Li> Der - i Devlet (در دولت "Abode of the State") </Li> <Li> Der - i Saʿādet (در سعادت "Abode of Felicity" or "Abode of Eudaimonia") </Li>

The city of constantinople was renamed istanbul to