Baku, it's capital, is famed for its medieval walled Inner City. Within the Inner City lies the Palace of the Shirvanshahs, a royal retreat dating to the 15th century, and the centuries-old stone Maiden Tower, which dominates the city skyline. https://www.google.com/maps/place/Azerbaijan/@40.1758585,47.75453,7z/data=!3m1!4b1!4m5!3m4!1s0x40307cd91aa21ddf:0xe6c9526b3e83cd08!8m2!3d40.143105!4d47.576927