1. Guimarães Castle, also known as Castelo de Guimarães, is a medieval castle located in the city of Guimarães in Northern Portugal. The castle has a rich history and is closely connected to the foundation of the Portuguese nation.

Interesting facts about Guimarães Castle:

- It is believed to have been built in the 10th century, making it one of the oldest medieval castles in Portugal.

- The castle played a significant role in the Battle of São Mamede in 1128, which established the foundation of the Kingdom of Portugal.

- The castle has a distinctive square-shaped tower that offers panoramic views of the surrounding area.

- It has been classified as a National Monument since 1910 and is a UNESCO World Heritage Site as part of the Historic Centre of Guimarães.

2. Working time and contact information:

- The opening hours of Guimarães Castle may vary, so it is recommended to check before visiting. The contact information for the castle is:

- Address: Rua Conde D. Henrique, Guimarães, Portugal

- Phone: +351 253 421 219

3. Ticket information and transportation:

- Ticket prices for Guimarães Castle may vary, with discounts available for students, seniors, and children. It is advisable to check the official website or contact the castle directly for updated ticket information.

- The castle is centrally located in Guimarães, making it easily accessible by public transportation or on foot. Parking facilities may be available nearby for those traveling by car.