We'll have to wait on the explanation notes for the name change...

We'll have to wait on the explanation notes for the name change voting however:

I just checked the internet Spanish translation . No word for Melbana but assuming its a con-joining of the word Melbourne and the Spanish word Bana which is the feminine form of the masculine Bano , we get;
Bano, (UK) a toilet.
I hope they've thought this through! Ha! Ha!