Complex sentence: The First Ancient Theatre of Larissa (Α' Αρχαίο Θέατρο Λάρισας) is a major open-air theatre and the biggest theater of a seating capability of 10,000 persons in Thessaly, situated on the south side of the Acropolis Hill in Larissa.
Split into simpler sentences: The First Ancient Theatre of Larissa (Α' Αρχαίο Θέατρο Λάρισας) is a major open-air theatre and the biggest theater in Thessaly, with a seating capability of 10,000 persons. It is situated on the south side of the Acropolis Hill in Larissa.