Topkapi Palace, located in Istanbul, Turkey, was the crown jewel of the Ottoman Empire. The palace was built during the reign of Sultan Mehmet the Conqueror between 1460 and 1478, and was of utmost importance, from both an administrative and an executive standpoint, in the Ottoman Empire. It was considered to be the heart of the Empire. Acoustiguide Smartour – Topkapi provides a highlights tour through some of the famous spots in Topkapi. The self-guided tour includes multiple images with audio content of key points of interest. Category views, and the keyword search function enable you to access the tour anyway you wish, while the interactive map allows you to navigate through the palace courts and rooms. Additional information including hours and admission and directions makes this application an invaluable tool to optimize your experience exploring the palace.