The Greek Women's Water Polo A1 League (Greek: Ελληνικό Πρωτάθλημα Υδατοσφαίρισης της Α1 Γυναικών) is the premier championship for women's water polo teams in Greece. It was founded in 1988, and it is currently contested by eight teams.[1] Greek League is ranked as one of the top national domestic leagues in European water polo. The champion, the runner-up and the third-placed team qualify for the LEN Euro League.[2]
The first champion was Ethnikos Piraeus. During the next years Glyfada NSC and NC Vouliagmeni dominated. At the last ten seasons Olympiacos Piraeus and Vouliagmeni are alternated in the top of the championship. Only four teams have won the championship so far. Olympiacos Piraeus have won the most championships (12), while being also the current champion (2020–21).[3]
Greek clubs are among the most successful in European water polo. They have got numerous successes in all European competitions. As a total, they have won 6 times the LEN Champions' Cup / LEN Euro League, 3 times the LEN Super Cup and 3 times the LEN Trophy. Concretely, Vouliagmeni has won 2 Champions Cups (2009, 2010), 2 LEN Super Cups (2009, 2010) and 1 LEN Trophy (2003), Olympiacos has won 2 LEN Euro Leagues (2015, 2021), 1 LEN Super Cup (2015) and 1 LEN Trophy (2014), Glyfada has won 2 Champions Cups (2000, 2003), and Ethnikos Piraeus has won 1 LEN Trophy as well (2010).