1. Old Fortress (Palaio Frourio) is a historic fortress located in the town of Corfu, on the Greek island of Corfu. It was built by the Venetians in the 15th century and has been an important defensive structure throughout history. The fortress is situated on a rocky peninsula at the eastern end of the town and offers panoramic views of the surrounding area, including the Ionian Sea.

Inside the fortress, visitors can explore the various buildings and structures that were once used for military purposes. These include the old barracks, the British Hospital, the Governor’s Palace, and the Venetian magazine. There is also a lighthouse dating back to the 19th century, which is a popular spot to enjoy the scenery.

One of the most interesting features of the Old Fortress is its intricate defensive system, which includes underground tunnels and fortifications designed to protect it from enemy attacks. The fortress also played a significant role in several historical events, such as the Siege of Corfu in 1716 and the British Protectorate of the Ionian Islands.

2. The working hours of the Old Fortress may vary depending on the season. It is best to check the official website or contact the local tourist information office for the most up-to-date information. Unfortunately, a phone number specifically for the fortress is not readily available.

3. As for ticket information, there is an entrance fee to visit the Old Fortress. The exact fee may also vary, so it is recommended to check official sources for the latest pricing information. Transportation to the fortress can be easily arranged by taxi, bus, or by foot if staying in the town of Corfu.