An Australian man has been arrested and charged with alleged drug offences in Bali, local authorities have confirmed.

Troy Smith was arrested by Indonesian police on April 30, at a hotel in Kuta, Bali.

Indonesian police allege he was in possession of 3.15 grams of methamphetamine at the time.

Bali Police Director of Narcotics Iwan Eka Putra told the ABC it was alleged that the drugs had been sent from Australia at Mr Smith's request.

"And currently Troy is still in the process of being investigated and Troy is being detained at the Bali Police Detention Center," he said.

Police said the maximum sentence for the offence was 12 years in prison and an $800,000 fine.

A Department of Foreign Affairs & Trade (DFAT) spokesperson confirmed it was providing consular assistance to an Australian man detained in Bali.

"Owing to our privacy obligations we are unable to provide further comment," the spokesperson said.