Sydney has won the right to host the international WorldPride event in 2023 after defeating Montreal and Houston in a vote in Athens on Sunday.

Members of the worldwide InterPride network voted for Sydney to host the event in 2023, which will coincide with the Gay and Lesbian Mardi Gras.

Attendees hold signs during a Stonewall Inn 50th anniversary commemoration rally in New York in June during WorldPride. Credit:Bloomberg

Sydney received 60 per cent of the vote, ahead of Montreal with 36 per cent and Houston with 3 per cent.

"This is a major win for Sydney, Australia and the region more broadly," Sydney Gay and Lesbian Mardi Gras co-chair Giovanni Campolo-Arcidiaco said.