Missing Sydney siblings found in Victoria

The siblings, who went missing from south Sydney with their mother and a man on Thursday, have been found alive and well in Victoria.

Two children who went missing from southern Sydney have been found safe in Victoria. (AAP)

Two Sydney siblings who went missing along with their mother and another man have been found safe and well by police in regional Victoria.

NSW Police held serious concerns for Luke and Hayleigh Smith, aged 11 and 12, who were last seen at a home at Caringbah South in Sydney on Thursday afternoon.

The children were located with their mother Nicole Boyle, and a man, Neville Kerslake, in Victoria at about 12.30pm on Saturday.

Police thanked members of the public for providing assistance.