Money and cards...   In Spain the legal currency is the EURO. It will be very difficult for them to accept you to pay in a different currency. Until 2002, the year the euro was introduced, banknotes from other countries could be accepted in tourist areas, and especially in areas bordering France and Portugal.   Since the existence of the euro, it will be very difficult for them to accept it, and if they do, the exchange rate will be little advantageous. This includes paying