Goth is a music-based subculture that emerged out of nightclubs such as the F Club and Batcave in the United Kingdom during the early 1980s, as well as gothic rock, a genre that evolved from British post-punk. The goth subculture is centered around fashion, music festivals, clubs, and organized meetings

https://en.wikipedia.org/wiki/Goth_subculture

The article goes on to describe its many influences, variations, and characteristics. If you want more details, !gothindustrial@lemmy.world is the most active of the relevant local communities.