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]

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(s)	LEN Euro League
Current champions	Olympiacos SFP (2023–24)

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 (15), while being also the current champion (2023–24).

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, 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), Glyfada have won two Champion Cups (2000, 2003), and Ethnikos Piraeus have won two LEN Trophy cups (2010, 2022).

Champions

A Ethniki Season Champion 1987–88 Ethnikos Piraeus 1988–89 Glyfada NSC 1989–90 Ethnikos Piraeus 1990–91 NC Vouliagmeni 1991–92 Ethnikos Piraeus 1992–93 NC Vouliagmeni 1993–94 NC Vouliagmeni 1994–95 Olympiacos 1995–96 Glyfada NSC 1996–97 NC Vouliagmeni 1997–98 Olympiacos

A1 Ethniki Season Champion 1998–99 Glyfada NSC 1999–00 Glyfada NSC 2000–01 Glyfada NSC 2001–02 Glyfada NSC 2002–03 NC Vouliagmeni 2003–04 Glyfada NSC 2004–05 NC Vouliagmeni 2005–06 NC Vouliagmeni 2006–07 NC Vouliagmeni 2007–08 Glyfada NSC 2008–09 Olympiacos

A1 Ethniki Season Champion 2009–10 NC Vouliagmeni 2010–11 Olympiacos 2011–12 NC Vouliagmeni 2012–13 NC Vouliagmeni 2013–14 Olympiacos 2014–15 Olympiacos 2015–16 Olympiacos 2016–17 Olympiacos 2017–18 Olympiacos 2018–19 Olympiacos 2019–20 Olympiacos

A1 Ethniki Season Champion 2020–21 Olympiacos 2021–22 Olympiacos 2022–23 Olympiacos 2023–24 Olympiacos

Performance by club

Club	Titles	Winning years
Olympiacos Piraeus	15	1995, 1998, 2009, 2011, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
NC Vouliagmeni	12	1991, 1993, 1994, 1997, 2003, 2005, 2006, 2007, 2010, 2012, 2013,2025
Glyfada NSC	8	1989, 1996, 1999, 2000, 2001, 2002, 2004, 2008
Ethnikos Piraeus	3	1988, 1990, 1992

Greek clubs in European competitions

LEN Women's Euroleague :

Team	European Champion	Runners-up
Olympiacos	2015, 2021, 2022	2017, 2019, 2024
Vouliagmeni	2009, 2010	2008, 2012, 2014
Glyfada	2000, 2003	2001, 2004

LEN Women's Super Cup :

Team	Super Cup Champion	Runners-up
Olympiacos	2015, 2021, 2022	2014
Vouliagmeni	2009, 2010	-
Ethnikos	-	2010, 2022

Women's LEN Trophy :

Team	LEN Trophy Winner	Runners-up
Ethnikos	2010, 2022	–
Vouliagmeni	2003	2000, 2005, 2016
Olympiacos	2014	2008, 2018