Hiya
I work for a bank
The meastro you can use in the cash machines but there is normally a small charge per withdrawal around £1.50.
The chip and pin system is in the process of changing again, alot of peoples pins are not linking to the chip properly so check it works before you go,
Oh and make sure your signature is very clear on the card and that your card is not damaged in any way, as we have had customers come back from over seas saying they have been refused because of the state of there cards.