Opposition Leader Tony Abbott has used his first set speech on the campaign trail to appeal to western Sydney's Muslim community.

Mr Abbott spoke at a dinner hosted by Auburn Council to mark "Iftar", or the fast-breaking meal at sundown during the holy month of Ramadan.

In front of more than 100 people, at the Westella Renaissance Hotel in Lidcombe, Mr Abbott praised multiculturalism as a "heroic dimension to our national history".

Read the complete original version of this item...