How do you say hello and goodbye in spanish?

To say hello in Spanish, you can say "Hola". This is the most common and informal way to greet someone. You can also say "Buenos días" (good morning), "Buenas tardes" (good afternoon), or "Buenas noches" (good night), depending on the time of day.

To say goodbye in Spanish, you can say "Adiós". This is the most common and informal way to say goodbye. You can also say "Hasta luego" (until later), "Nos vemos" (see you), or "Chau" (bye), depending on the situation.