1. Kotzia Square, also known as Plateia Kotzia, is a bustling square located in the heart of Athens, Greece. It is named after Konstantinos Kotzias, a former mayor of Athens who served in the late 19th century. The square is surrounded by several important buildings, such as the City Hall of Athens, the National Bank of Greece, the Numismatic Museum, and the archaeological sites of Ancient Athens.

One of the most prominent features of Kotzia Square is the central fountain, which serves as a meeting point for locals and tourists. The square is often used for cultural events, concerts, and political gatherings, making it a vibrant and dynamic space in the city.

2. The square is open to the public at all times, as it is a public space in the city center of Athens. There is no specific working time for Kotzia Square, as it is accessible 24/7.

3. There is no entrance fee or ticket required to visit Kotzia Square, as it is an open public space. The square is easily accessible by public transportation, with several bus stops and metro stations located nearby. Visitors can take the metro to Omonia station or Monastiraki station, both of which are within walking distance of the square. Alternatively, taxis and private cars can also easily reach Kotzia Square.