Source: UNESCO World Heritage
Postcard 1 - Hagia SophiaHagia Sophia by night. Thanks to Michael of Luxembourg. Interesting round stamp used.
Postcard 2 - Topkapi PalaceTopkapi Palace overlooking the Bosphorus straits. Nice matching stamp. Thanks so much to Pinar of Turkey.
Postcard 3 - Multi-view of IstanbulDifferent majestic views of Istanbul (formerly Constantinople). Thanks to Michael of South Africa for this great card.
Postcard 4 - Selymaniye Mosque and Galata BridgeAn older postcard. Istanbul with Suleymaniye Mosque (356-002) and Galata Bridge. Thanks to Mark.
Postcard 5 - Sultan Ahmet Mosque
This is a wonderful card of Sultanahmet Mosque in Istanbul, Turkey (Turkiye). Behind is the Bosphorus Strait separating Europe from Asia. Big thank you to Christina and sister for sending me this great postcard.