A1 Ethniki Women's Water Polo

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 twelve 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]

Founded1988

Country Greece

ConfederationKOE

Number of clubs12

Quick facts Founded, Country ...

A1 Ethniki Women's Water Polo

Founded	1988
Country	Greece
Confederation	KOE
Number of clubs	12
Relegation to	A2 Ethniki Women's Water Polo
International cup	LEN Euro League
Current champions	Olympiacos SFP (16) (2025–26)
Most championships	Olympiacos SFP (16)

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The first champion was Ethnikos Piraeus. In the following years until 2008 ANO Glyfada and NO Vouliagmeni dominated. In the next five years, Olympiacos Piraeus and Vouliagmeni were alternating at the top of the championship, but in the last decade Olympiacos Piraeus has been completely dominated.

Only four teams have won the championship so far. Olympiacos Piraeus have won the most championships (16), and are also the current champions.^[3]

Greek clubs are among the most successful in European water polo. They have won fifteen titles in all European competitions. The teams have won the LEN Champions' Cup / LEN Euro League seven times, the LEN Super Cup and the LEN Trophy four times each. Concretely, NO Vouliagmeni have won two Champion Cups (2009, 2010), two LEN Super Cups (2009, 2010) and one LEN Trophy (2003), Olympiacos have won three LEN Euro Leagues (2015, 2021, 2022), three LEN Super Cup (2015, 2021, 2022) and one LEN Trophy (2014), ANO Glyfada have won two Champion Cups (2000, 2003), and Ethnikos Piraeus have won two LEN Trophy cups (2010, 2022).