The national Croquet Association (CA) website has much useful information, including sections about the game, other clubs in England and Wales, tournaments, equipment and archives. It is affiliated to the World Croquet Federation. The national federation is divided into regions, and the Watford Club is part of the East Anglian Croquet Federation.
Croquet is played in several other countries, in some cases under variants of the rules, notably in
See also the World Croquet Federation.
Some of the Watford club's members are listed in the UK and Ireland rankings and in the World rankings.
There is a forum for discussion of issues about croquet at the Nottingham List.
Croquet World is an online magazine.
You can also find extensive information about the game on the excellent Oxford Croquet website.