ベルギーへようこそ : 'berugii e youkoso'.
[The 'e' is pronounced like in end.]
You can say le-le or liyo.https://www.livinglanguage.com/community/discussion/315/saying-youre-welcome-in-japanese-not-recommended
"Irasshaimase." "Youkoso."
You may say 'youkoso.'
In Dutch (spoken by 62% of the Belgians) : Welkom !
シチュー You're welcome.
When a customer enters, you may say 'irasshaimase.'
'Guamu e youkoso.'
kyoukai e yokoso
'Welcome to school' would be学校へようこそ (gakkou e youkoso) in Japanese.
watashi no heya e youkoso
みなさん、ようこそ (minasan youkoso) is the Japanese equivalent of 'welcome everyone'.
Sore ga shinjitsu nara