Nassau County, in an effort to promote itself, will spend up to $110,000 to sponsor three local film festivals and a world-famous golf tournament, officials said.

The funding comes not from taxpayer dollars but from fees charged by the county’s Industrial Development Agency to expanding businesses that seek tax breaks.

IDA board chairman Timothy Williams said the sponsorships provide the opportunity to tell business executives about county programs that could help them, including tax incentives.

He noted The Barclays PGA tournament, scheduled for Aug. 23-28 on The Black Course at Bethpage State Park, will bring IDA officials in contact with companies from outside the New York area.

“This is a great opportunity for us to meet key executives,” he said.

The IDA board, acting on Williams’ suggestion, agreed last month to increase its Barclays sponsorship to up to $35,000, about double what IDA staff had proposed.

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The agency has sponsored other high-profile golf tournaments in the past.

The IDA also will pay $25,000 each to the Gold Coast International Film Festival, the Long Beach International Film Festival and the Long Island International Film Expo.

The agency has previously backed the festivals in an effort to attract filmmakers to production studios in Bethpage and filming locations at Nassau’s beaches, Gold Coast mansions and other attractions.

Williams said he would like IDA staff to attend future events in California and elsewhere that draw Hollywood moguls.

Sponsorships usually include event tickets, advertising, exhibit space and signs.