January 2023

February 2023

March 2023

17 - 19 March 2023 ​

LEN U17 European Championships
Qualification

Men's Water Polo

25 & 29 March 2023

LEN Euro Cup

Women's Finals

31 March - 1 April 2023

LEN Champions League

Women's Final 4

April 2023

15 & 29 April 2023

LEN Euro Cup

Men's Finals

19 & 29 April 2023

LEN Challenger Cup

Men's Finals

May 2023

31 May - 3 June 2023

LEN Champions League
Men's Final 8

Belgrade (SRB)

June 2023

23 - 25 June 2023

LEN European Championships
Qualification 2

Water Polo

24 June - 30 June 2023

LEN U15 European Championships

Zagreb (CRO)

Women's Water Polo

July 2023

8 - 16 July 2023

LEN U15 European Championships

Podgorica (MNE)

Men's Water Polo

29 July - 5 August 2023

LEN U17 European Championships

Manisa (TUR)

Women's Water Polo

August 2023

8 - 14 August 2023

LEN U17 European Championships

Manisa (TUR)

Men's Water Polo

September 2023

8-10 September 2023

LEN Champions League

Men's Preliminary Stage

22-24 September 2023

LEN Champions League

Women's Preliminary Stage

22-24 September 2023

LEN Euro Cup Men
Qualification Round

Water Polo

26-27 September 2023

LEN Champions League Men Group Stage
(1st day)

Water Polo

October 2023

6-7 October 2023

LEN Champions League Men Group Stage
(2nd day)

Water Polo

7 October 2023

LEN Champions League Women Group Stage
(1st day)

Water Polo

7 October 2023

LEN Euro Cup Men Preliminary Round Stage
(1st day)

Water Polo

7 October 2023

LEN Euro Cup Women Preliminary Round Stage
(1st day)

Water Polo

17-18 October 2023

LEN Champions League Men Group Stage
(3rd day)

Water Polo

19 October 2023

LEN Euro Cup Men Preliminary Round Stage
(2nd day)

Water Polo

20-22 October 2023

LEN Challenger Cup Men
Qualification Round 1

Water Polo

20-22 October 2023

LEN Challenger Cup Women
Qualification Round

Water Polo

21 October 2023

LEN Champions League Women Group Stage
(2nd day)

Water Polo

21 October 2023

LEN Euro Cup Women Preliminary Round Stage
(2nd day)

Water Polo

31 October - 1 November 2023

LEN Champions League Men's Group Stage
(Match 4)

Water Polo

November 2023

2 November 2023

LEN Euro Cup Men's Group Stage
(Match 3)

Water Polo

4 November 2023

LEN Champions League Women's Group Stage
(Match 3)

Water Polo

4 November 2023

LEN Euro Cup Women's Group Stage
(Match 3)

Water Polo

7 November 2023

LEN Women's Super Cup Final

Budapest (HUN)

Water Polo

10 November 2023

LEN Men's Super Cup Final

Chiavari - Genova (ITA)

Water Polo

16 November 2023

LEN Euro Cup Men's Group Stage
(Match 4)

Water Polo

21 - 22 November 2023

LEN Champions League Men Group Stage
(Match 5)

Water Polo

23 November 2023

LEN Euro Cup Men's Group Stage
(Match 5)

Water Polo

25 November 2023

LEN Challenger Cup Men's Quarter Final
(Match 1)

Water Polo

25 November 2023

LEN Champions League Women's Group Stage
(Match 4)

Water Polo

25 November 2023

LEN Euro Cup Women's Group Stage
(Match 4)

Water Polo

24-26 November 2023

LEN Challenger Cup Women
(Final 6)

Water Polo

December 2023

5 - 6 December 2023

LEN Champions League Men's Group Stage
(Match 6)

Water Polo

9 December 2023

LEN Euro Cup Men's Group Stage
(Match 6)

Water Polo

9 December 2023

LEN Challenger Cup Men's Quarter Final
(Match 2)

Water Polo