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Nerantzia Castle: A Knight's Fortress in Kos Harbor

Explore Nerantzia Castle in Kos: a medieval fortress with stunning harbor views and a rich history dating back to the Knights of St. John.

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Nerantzia Castle, also known as the Castle of the Knights, is a 15th-century medieval fortress built by the Knights of St. John in Kos Town. Dominating the harbor, it offers a glimpse into the island's history and stunning views of the Aegean Sea.

A brief summary to Nerantzia Castle

Local tips

  • Wear comfortable shoes for exploring the castle's uneven stone pathways and climbing to higher vantage points.
  • Visit during the late afternoon for stunning sunset views over the Aegean Sea and the Turkish coast.
  • Check for ongoing art exhibitions or cultural events that may be taking place within the castle grounds.
  • Bring water, especially during the hot summer months, as there are limited facilities inside the castle.
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Getting There

  • Walking

    Nerantzia Castle is easily accessible on foot from most locations in Kos Town. From the main harbor area, walk along Akti Miaouli towards the castle entrance. The entrance is located near the Hippocrates Plane Tree Square, crossing a stone bridge over Phoinikon Street.

  • Public Transport

    The central bus station is located in Kos Town. From there, walk along the harbor towards Akti Miaouli, and you'll see the castle. Bus tickets within Kos Town typically cost around €1.50.

  • Taxi

    Taxis are readily available in Kos Town. A short taxi ride to Nerantzia Castle from most points in the town center will cost approximately €5-€8. Confirm the fare with the driver before starting your journey.

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Discover more about Nerantzia Castle

Nerantzia Castle, or the Castle of the Knights, stands as a formidable testament to Kos's rich history. Constructed by the Knights of St. John, also known as the Knights Hospitallers, in the 15th century, its strategic location at the entrance of Kos harbor made it a crucial defense against potential Ottoman invasions. The castle's construction, which began in 1436 and was completed in 1514, incorporated remnants of ancient structures, including the Asclepieion, showcasing a blend of architectural styles. The fortress features a double-layered fortification system with thick walls designed to withstand attacks from both land and sea. Visitors can explore its towers, arched gateways, and the emblems of the Knights etched into the stone walls. Over the centuries, Nerantzia Castle has witnessed various historical shifts, including Ottoman rule and a devastating earthquake in 1933. Restoration efforts have preserved its remaining sections, allowing visitors to wander through its stone archways and appreciate its medieval atmosphere. Climbing to the higher points rewards visitors with panoramic views of the harbor, Kos Town, and the Aegean Sea. Today, Nerantzia Castle stands as a preserved historical monument, hosting outdoor art exhibitions and museum events. A visit offers a stroll into history, with memorable views of the sea and sunset from its bastions.

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