Tens of thousands of Australians protested over the treatment of Indigenous people on Sunday as the country celebrated a national holiday marking the 1788 arrival of British colonisers.

Thousands soaked in the sand, sunshine and waves as Sydney turned on a glorious summer day with temperatures in the high 20s.Visiting from Czechia, Marie Chybova and Milos Chyba, with son Martin Chyba and his partner Aneta Rohlikova draped themselves in Australia attire and waved the Australia,

The vandalism unfolded in Sydney, Melbourne and Canberra. Australia Day is a divisive holiday that critics see as a symbol of racism and oppression.

The dialling back of Indigenous rights will be high on the agenda for Invasion Day rallies this year, according to protest organisers who say it's a global "phenomenon" also happening to overseas colonised nations.

Two historic statues were damaged in Melbourne ahead of Australia Day celebrations on Sunday, with tens of thousands of people across the country joining protests in support of Aboriginal groups who say the date is not one to cheer.

Australians celebrated and protested across the country on Sunday as Australia Day drew attention to political differences over Indigenous rights months out from a federal election. Australia Day marks a British colony being established at Sydney Cove on Jan.