1. Omonoia Square, also known as Plateia Omonoias, is one of the central squares in Athens, Greece. It is located at the intersection of several major streets and is a bustling hub of activity. The square is surrounded by buildings, shops, cafes, restaurants and hotels, making it a popular meeting place for locals and tourists alike.

2. Omonoia Square is open to the public at all times as it is an open square in the heart of Athens. The square is easily accessible by public transportation, including buses, trams, and the Athens Metro.

3. There is no entry ticket required to visit Omonoia Square as it is a public space. Visitors can easily reach the square by taking the metro to the Omonoia station or by taking a bus or tram to one of the nearby stops.