Support for the euro currency symbol is available in the following locales (locale plus "@euro" extension:
de_DE.ISO8859-15
es_ES.ISO8859-15
fr_FR.ISO8859-15
it_IT.ISO8859-15
sv_SE.ISO8859-15
da_DK.ISO8859-15
de_AT.ISO8859-15
en_GB.ISO8859-15
en_IE.ISO8859-15
fi_FI.ISO8859-15
fr_BE.ISO8859-15
nl_NL.ISO8859-15
pt_PT.ISO8859-15