Monemvasia is a fortified medieval town located on a small island off the east coast of the Peloponnese peninsula in Greece. The name "Monemvasia" means "single entrance" in Greek and refers to the town's only access point, a narrow causeway that connects it to the mainland.

The town was founded in the 6th century and was an important center of Byzantine culture and commerce for several centuries. Monemvasia played a key role in the development of the Byzantine Empire and was frequently attacked by various invaders, including the Venetians and the Ottoman Turks. Despite these attacks, the town managed to maintain its importance and its well-preserved medieval architecture.

Today, Monemvasia is a popular tourist destination, known for its stunning views, its well-preserved architecture, and its relaxed atmosphere. Visitors can explore the narrow cobblestone streets and admire the town's churches, fortifications, and traditional houses. There are also several museums, restaurants, and shops that offer a glimpse into the town's rich cultural heritage.

One of the most popular attractions in Monemvasia is the castle, which is perched high on a rock overlooking the sea. The castle offers panoramic views of the surrounding area and is a great place to enjoy the sunset. There are also several beaches nearby, making Monemvasia a popular destination for both history and beach lovers.