The PivotTables collection represents the set of pivot tables in a worksheet. To return a PivotTables collection, use PivotTables.

[DefaultMember("Item")]
 public sealed class PivotTables: System.Collections.Generic.IEnumerable<PivotTables>
<DefaultMember("Item")> _
	Public NotInheritable Class PivotTables
		Implements System.Collections.Generic.IEnumerable(Of PivotTable)