Are you taking a break from your work to travel to Japan?
Are you taking some personal holidays so you can travel around Japan this time?
この場合、次のような言い方ができますよ。
ーAre you taking a break from your work to travel to Japan?
「日本旅行するのに仕事休んでいるの?」
ーAre you taking some personal holidays so you can travel around Japan this time?
「今回日本を旅行するのに、休暇取ってるの?」
ご参考まで!