The Greek Men's Handball Championship, or Handball Premier, is the most important competition of Greek handball. The competition which is organised by Hellenic Handball Federation (Greek: ΟΧΕ) started in the 1979–80 season. The most successful team is Ionikos Nea Filadelfeia who has won ten titles. The last title was won by Olympiacos.

Evangelos Kalfarentzos, fitness director of Panellinios Gymnastikos Syllogos (Panhellenic Gymnastic Club) of Athens, physical education teacher, and author, recognized as rapporteur of the sport in Greece.

The Greece A1 Handball Tournament, also known as the "Greece A1," is a premier handball competition held annually in Greece. Featuring top teams from across the country, the tournament showcases high-level handball action, intense rivalries, and exceptional athleticism. Organized by the Greek Handball Federation, the Greece A1 serves as the pinnacle of domestic handball, providing a platform for players to demonstrate their skills and compete for national supremacy. With a vibrant atmosphere, passionate fans, and thrilling matches, the Greece A1 is a highlight of Greece's sporting calendar and a celebration of the sport's growth and popularity in the region.