Turkey has 17 UNESCO World Heritage Sites, such as the Historic Areas of Istanbul, the Rock Sites of Cappadocia, the Neolithic Site of Çatalhöyük, Hattusa: the Hittite Capital, the Archaeological Site of Troy, Pergamon and its Multi-Layered Cultural Landscape, Hierapolis - Pamukkale, and Mount Nemrut; and 51 World Heritage Sites in tentative list, such as the archaeological sites or historic urban centres of Göbekli Tepe, Gordion, Ephesus, Aphrodisias, Perga, Lycia, Sagalassos, Aizanoi, Zeugma, Ani, Harran, Mardin, Konya and Alanya. Turkey is home to two of the Seven Wonders of the Ancient World, the world's oldest religious site Göbekli Tepe, and numerous other World Heritage Sites.