A Wollongong preschool has been named best child-care service in Australia.Hospital Hill Occasional Care and Preschool won the title of Children's Service of the Year at the Australian Family Fisher-Price Child Care Awards. Four national winners were selected from more than 1300 nominations by a judging panel of child care and early childhood experts at the weekend.Hospital Hill's acting director Melissa Wicks said the centre had been nominated by a family whose child had been in the care of the preschool for a number of years."(Hospital Hill) really caters to the needs of children who require additional support," Ms Wicks said. "That's one of the strengths that we did push forward - it's about the relationship we have with families."It's given staff a real lift. It shows that they really value what we do as early childhood educators."A spokeswoman for Australian Family said the centre had impressed judges with its flexible care environment."This community owned and operated service embraces families from a range of diverse cultural backgrounds," she said.The centre celebrates its 20th anniversary this year.