The 21-time major winner has been granted a visa by the Australian government and has been listed to play at the Adelaide International, which starts Jan. 1.
Serbia isn't contesting the inaugural United Cup team competition, leaving Djokovic free to play regular warmup tournaments head of the Jan. 16-29 Australian Open.
He'll be joined in the men's draw at Adelaide by Russians Daniil Medvedev and Andrey Rublev, Felix Auger-Aliassime of Canada and Andy Murray.
Ons Jabeur, Aryna Sabalenka will headline the women's draw.
Immigration Minister Andrew Giles last month confirmed Djokovic had been granted a visa to compete in Australia in January. The 35-year-old Serbian had been facing a possible three-year ban after being deported last January over his stance against COVID-19 vaccination.
Djokovic has won the Australian Open a record nine times, including the last three times he played. Rafael Nadal won this year's title in Djokovic's absence.
Djokovic was not vaccinated against COVID-19 when he arrived in Melbourne ahead of the 2022 tournament, but Australia has since lifted strict rules for unvaccinated travelers.
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