How do you say this another way?
Fancy meeting you here.

Does it mean;
It's nice to see here.
Or
I'm surprised to see you here.correction;
It's nice to see you here.

Question

How do you say this another way?
Fancy meeting you here.

Does it mean;
It's nice to see here.
Or
I'm surprised to see you here.correction;
It's nice to see you here.

Answer

Means,  you are surprised to see that person there.
It's like saying, Wow, your here!   (surprise)
Hope this helps.

Answer

Yes it means "I am very surprised to meet you here!"
This question has been already posed on Italki. Take a glance at this link:  
https://www.italki.com/question/159678

Answer

It is closest to "I'm surprised to meet you here", but actually, I suspect that it is most often used in a way that means that the meeting was expected. (Sarcastic, friendly, humorous)