My knowledge in Spanish

Buenas trades :)
Me llamo Ági y tengo veinte anos.
Yo soy de Hungría/This is correct, you could also say"Soy de hungría/Soy Húngara"
Yo tengo una hermana y duos hermanos./This is correct, you could also say"Tengo una hermana y dos hermanos".It's better when you don't  repeat a  word many times, i know this can be hard, but try avoiding  writing many times "yo (....)".
Me gusto escuchar la música./Me gusta escuchar musica
Mi mes favorito es mayo :)

....I know that's not too much, but I'm trying :) I hope I don't have too much mistakes in it :) Please let me know about it!
Thank you for your help :)
Adios :)

i hope i don't have many mistakes

Buenas tardes :) (Lo que conozco de español)

Me llamo Ági y tengo veinte anos.
Yo soy de Hungría.
Yo tengo una hermana y dos hermanos.
Me gusta escuchar la música.
Mi mes favorito es mayo :)

....I know that's not too much, but I'm trying :) I hope I don't have many mistakes in it :) Please let me know about it!
Thank you for your help :)
Adios :)