The International Bank Account Number (IBAN) is an international standard for numbering bank accounts. The IBAN consists of a two letter country code and up to thirty alphanumeric characters. If you reside in the EU, you can find the IBAN number on your bank statement.
A swift code is a code that is unique to your branch of the bank (also known as a Bank Identifier Code or BIC). This code can usually be located on your cheque book or bank statement and consists of either 8 or 11 characters. If you are in any doubt, please contact your branch to confirm the correct code.