Police locate missing man, kids in Sydney

A father who went missing from western Sydney with his two children has been found.

Neville Brown, 49, left a South Wentworthville address with his 12-year-old son and 10-year-old daughter at about 6.30pm on Saturday, police said.

Investigators expressed concerned for the father and his children and asked for the public's help in finding them.

Police officers from Holroyd local area command located the trio at a residence in Greystanes about 6pm on Sunday.

Mr Brown is speaking with police and the children have been reunited with their mother.