Ja, Herr. Germans would not typically say sir (Herr).
"welcome" translates as "willkommen"
Welcome to Wolverhampton = Willkommen in Wolverhampton
well you say no problm homie or.. no biggie big G
"Wilkommen in Austin."
In German it's Willkommen.
Willkommen in Paisley
Gern geschehen
Willkommen in Gaming
Bitte / Bitteschönbitte schön
G'dayThere is no specific Australian slang word for 'welcome'. G'day is a greeting, but does not mean 'welcome'.
Willkommen - pronounced vill'kommen
Willkommen in meinem Haus