Hai. Yes. はい。
Iie. No. いいえ。
O-negai shimasu. Please. おねがいします。
Arigatō. Thank you. ありがとう
Synonym for gallery are Arcade, Porch , Veranda etc.
I Think.
Netherlands, Luxembourg, Italy, Belgium.
I Think.
안녕하세요
Go to this website to see how to pronounce it:
http://www.bing.com/search?q=translate+to+korean&src=IE-TopResult&FORM=IETR02&conversationid=&pc=EUP...
Hope I helped! :)