Probably the best-known pub in Galway! The atmosphere is great. There is live music almost every evening. You 'll find lots of young people there. Because Kings Head is listed in nearly every guide there are also lots of tourists (most of them young people or backpackers), but that is in my opinion something that makes Kings Head special. Sometimes it can be crowded.
There of course are lots of pubs and other locations in Galway also worth a visit. But you shouldn't miss Kings Head!