What Australians talked about most on Facebook in 2015

Beneath the cute animal pictures and occasional Russian dash cam videos that pop up on news feeds, Facebook users in Australia are also interested in onion eating prime ministers, same-sex marriage and Mars.

To explore your Australian curiosity a little bit more, Facebook has compiled a list of the most-discussed topics and most-shared check-ins in its 2015 year in review.

Check out the list below, where you may find a few surprises. No Russian dash cams though.

1. Tony Abbott

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2. Malcolm Turnbull and leadership spill

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3. ANZAC Day 100th anniversary

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4. Bali Nine executions

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5. Syrian civil war and refugee crisis

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6. Nepal earthquake

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7. Nov. 13 attacks in Paris

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8. Floyd Mayweather

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9. Fight against ISIS

A fighter waving the Islamic State flag while standing on a captured government fighter jet in Raqqa, Syria, this year. Credit: Universal History Archive/UIG via Getty Images

10. Adam Goodes

Adam Goodes of the Sydney Swans walks from the ground after the First AFL Semi Final on Sep. 19 Credit: Getty/Ryan Pierse

11. Same-sex marriage debate

Photo taken on Aug. 9, 2015 shows supporters of same-sex marriage shouting slogans as they take part a rally and march in Sydney. Credit: Getty/Peter Parks

12. Mars flyby

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13. Bronwyn Bishop expenses scandal

The recently ousted parliamentary speaker Bronwyn Bishop during question time at Parliament House on Aug. 11, 2015 in Canberra, Australia Credit: Getty/Stefan Postles

14. Ed Sheeran

Ed Sheeran performs in Brisbane, Nov. 2015. Credit: Getty/Glenn Hunt

Australian Check-ins

Turns out Aussies love a bit of gambling and some sport (who would have thought?), which is why Melbourne's Crown Casino and the Melbourne Cricket Ground is on top of Facebook's check-ins list for 2015, knocking out Darling Harbour -- which was 2014's winner.

1. Crown Melbourne

2. Melbourne Cricket Ground

3. Darling Harbour

4. Sydney Opera House

5. Taronga Zoo

6. Warner Bros. Movie World

7. Sea World

8. Australia Zoo

9. Melbourne Zoo

10. Dreamworld Australia

Thousands attend Diner en Blanc, that's Dinner in White, at the Sydney Opera House on Nov. 28, 2015. Credit: Getty/Sarah Keayes