On the Christmas Island, Australia is a branch of Westpac.[https://www.infrastructure.gov.au/territories/christmas/traveller_info.aspx#:~:text=Westpac%20Banking%20Corporation%20has%20a%20branch%20on%20the,Kong%20Bank%20of%20Australia%20and%20Adelaide%20Bank.%20 Department of Infrastructure, Transport, Regional Development and Communications
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