Police are appealing for public assistance to locate a man wanted on an outstanding warrant.

Gregory Leonard, aged 26, is wanted by virtue of an outstanding warrant in relation to drug-related offences.

Gregory is described as being of Caucasian appearance, between 170cm and 180cm tall, with medium build and brown hair.

He is known to frequent the Nyngan area.

Unfortunately no images of Mr Leonard are available at this time.

As police continue to conduct inquiries into his whereabouts, they are urging anyone who may have information to contact Crime Stoppers on 1800 333 000 or on their website.

The public is reminded not to report information via NSW Police social media pages.