Local authorities and health services in Devon are being advised on how to spot the signs of someone being exploited.
The conference, at Sandy Park, aims to raise awareness of the issue in Devon.
Devon and Cornwall's Chief Constable Shaun Sawyer, who's the national policing lead for modern slavery, is co-hosting the event.
Police hope increased reporting of the crime will lead to offenders being brought to justice and victims receiving the care they need.
Plymouth Sessions won't go ahead next year
Promoter is axing some cities
Devon man jailed after Bristol rape
He met the victim on a dating app
Newton Abbot leisure centre could be relocated to make way for housing.
Body found in Bideford fire investigation
Three teenagers currently on bail
Royal Clarence Hotel redevelopment to start
Work to start on historic city centre building
Road closures for Tar Barrels event
Organisers list road closures and residents-only access.
