Native speaker of Spanish here (from Spain, living in Chile). “Ll” is sorted as two independent letters, same as “Ch”.
Until 2010, the Real Academia Española (along the other Academias, of the various countries that speak spanish), considered both “Ll” and “Ch” distinct letters of the alphabet, and they were sorted accordingly [0][1][2].
Until 2010, the Real Academia Española (along the other Academias, of the various countries that speak spanish), considered both “Ll” and “Ch” distinct letters of the alphabet, and they were sorted accordingly [0][1][2].
[0] https://www.rae.es/dpd/abecedario (in Spanish)
[1] https://www.rae.es/dpd/ll (in Spanish)
[2] https://www.rae.es/dpd/ch (in Spanish)