We usually say "Wesołych Świąt" but this may also refer to any holidays and/or festive days / festivals, like New Year, Easter, Constitution Day etc, as it means "Merry/Happy Festive/Holy Days". If you want to be more precise, you'd say "Wesołych Świąt Bożego Narodzenia"
Merry Christmas
Just as in your question !They tend to say "Happy Christmas" instead of "Merry".Merry Christmas
You say ' Merry Christmas' in the UK.
Wesołych Świąt i Szczęśliwego Nowego Roku is a Polish equivalent of 'Merry Christmas and a Happy New Year'.
merry christmas
"Merry Christmas"
Merry christmas
merry christmas
Merry Christmas
merry Christmas= Christmas aashamsakal
Hanukkah is a holiday, not a language. You cannot say "Merry Christmas in Hanukkah. That's like asking: "How do you say Merry Christmas in Easter" I think he means how do you say merry Christmas in Hebrew
Merry Christmas