Oh, what a lovely question! In Japanese, "week after next" is said as "さらいしゅう". It's wonderful to see you exploring different languages - keep up the curiosity and creativity!
'Otanjoubi WA raishuu desu.'
"See you next week" in Japanese is また来週ね (mata raishuu ne).
The proper way to say it is next week's interview. It has to be possessive. Example: You need to be prepared for next week's interview.
'Konshuu.'
週 (shuu)
Next
In Portuguese, you can say "até a próxima semana" to mean see you next week.
tsugi (ha)
'Kondo' and more usually 'mata kondo' can mean 'next time' in Japanese.
The Greek word for "Next Week" is "την επόμενη εβδομάδα".
先週 senshū
今週 - こんしゅう - konshuu - this week