$ous = @(("IT_Entwicklung","Essen"),("IT_Test","Bochum"))
foreach($ou in $ous)
{

[string] $Path = "OU=$($ous[0]),DC=ndsedv,DC=de"
if(![adsi]::Exists("LDAP://$Path"))
{
$newou = New-ADOrganizationalUnit -Name $ou[0] -Path "OU=ORG,DC=ndsedv,DC=de" -Description $ou[1] -ProtectedFromAccidentalDeletion $false -PassThru 

$ouGroups=New-ADOrganizationalUnit -Name "Gruppen" -Path $newou.DistinguishedName `
-Description "Gruppen" `
-ProtectedFromAccidentalDeletion $false -PassThru 
}
$AdminGroupName = "$($ou[0])"
$AdminGroup = New-ADGroup -Name $AdminGroupName -GroupCategory Security -GroupScope Global `
-DisplayName $AdminGroupName -Path $ouGroups.DistinguishedName `
-Description "Delegated Administrators for OU $($ou[0])"  -PassThru }