1. Santos Andrade Square, located in the heart of Curitiba, is a bustling public square known for its beautiful landscaping and historic architecture. The square is surrounded by important buildings such as the Federal University of Paraná, the Guaíra Theater, and the Paço da Liberdade cultural center. It also features a large statue of Euclydes da Cunha, a famous Brazilian writer and engineer.

2. Santos Andrade Square is open to the public 24 hours a day, although some of the buildings surrounding the square may have their own specific operating hours. You can contact the Federal University of Paraná for more information at +55 41 3360-5000.

3. There is no entrance fee to visit Santos Andrade Square as it is a public area. The square is easily accessible by public transportation, with multiple bus stops nearby. Visitors can also take a taxi or use a ride-sharing service to reach the square. Parking may be limited in the area, so it’s recommended to use public transportation if possible.