More than 20 retired greyhounds looking for new homes will be at an adoption day in Macgregor on Saturday.

Greyhounds As Pets NSW will hold the event at Belconnen Pony Club, 105 Parkwood Road, from 10am to 2pm.

Greyhounds will be available for adoption for $150, with the fee reduced to $75 for dogs aged seven and over.

The day will also include a sausage sizzle, car boot sale and activities for children.