Good Morning- Kalimera (pron. cally-mare-ah)

Good afternoon/evening - Kalispera (pron. cally-spare-ah)

Good night - Kalinihta

 Please- Parakalo

Thank you- Efharisto

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Excuse me' where is. . .?  - Sighnomi, pu ine. . . ?

Cheers ( when wishing to all in your table )    -    Stin yghia mas ( Ghia mas )

Cheers  ( when wishing to someone not in your table )  - Stin yghia sas ( Ghia sas )

Hello!   -   Ghia su! (pron. yassoo)

I am sorry idon't understand. . .  -  Sighnomi, dhen katalaveno. . .

How much is this ? - Poso kani afto parakalo? 

Where is the bathroom? - Pou eine ee toualeta?