Bourtzi is a small island located in the harbor of Nafplio, Greece. It is known for its picturesque scenery and historical significance. Originally built as a fortress in the 15th century, it served to protect the town from pirate attacks and invasions. Today, Bourtzi is a popular tourist destination, accessible by boat. Visitors can explore its charming architecture and enjoy stunning views of the surrounding sea and mountains. The island is often associated with the rich history of Nafplio, which was the first capital of modern Greece.