Auckland Confederation of Billiard Sports is listed in Royal Oak, Auckland, with a 5.0 rating on Google. It is tagged as a swimming pool, but the name points to cue sports, so this entry is likely about pool and billiards rather than swimming.
A good billiards or pool club keeps its tables level, its cloth in good condition and its cues straight, because those things matter more to your game than anything else. Clubs and sporting bodies often run social nights, leagues and coaching alongside casual play, so it is worth asking what is on and whether visitors are welcome. If you are new, say so, since most players are happy to share tips on chalking, bridge hand and cue ball control. Regulars know that weekday evenings are easier for getting a table than weekends, that house cues vary and that it is worth asking about house rules, such as which game is played and how tables are booked. Check opening days before you go, as club hours can be limited.
For anyone in Royal Oak and central Auckland, Auckland Confederation of Billiard Sports is worth contacting to find out what is on.