CmdID / PowerShell / Cmdlets / Get
Get-ADSite
Use the Get-ADSite cmdlet to display configuration information about one or more Active Directory sites. Exchange PowerShell reference
From the Exchange PowerShell reference 2 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the identity of the Active Directory site for which you want to view configuration details.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.