ShoyuJapanese
How to say “WELCOME” in Japanese

Welcome = Youkoso ようこそ

Welcome to (place) = (Place) e youkoso
Welcome to Japan = Nihon e youkoso にほん へ ようこそ
*note the “e” in this expression is actually the hiragana “へ”

Welcome home/back = Okaerinasai おかえりなさい

Other interesting facts:
The “New Tokyo International Airport” (aka: Narita Airport) is actually in Chiba. AND Tokyo Disneyland and Tokyo Disney Sea are also located in Chiba, not Tokyo.

AloJapan.com