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Exhibit 21.1

Subsidiaries of Piedmont Office Realty Trust, Inc. and Piedmont Operating Partnership, LP

Subsidiary						State of Organization
Piedmont Operating Partnership, LP						Delaware
Piedmont Washington Properties, Inc.						Maryland
Piedmont Office Holdings, Inc.						Georgia
Piedmont Office Holdings II, Inc.						Georgia
Piedmont Office Management, LLC						Georgia
Piedmont Government Services, LLC						Georgia
Piedmont Leasing, LLC						Delaware
Piedmont-Las Colinas Springing Member, LLC						Delaware
Piedmont-3100 Clarendon LLC						Delaware
4250 North Fairfax Property LLC						Delaware
4250 N. Fairfax Owner, LLC						Delaware
400 Virginia Avenue LLC						Delaware
1201 Eye Street, N.W. Associates LLC						Delaware
1215 ESDI, LLC						Delaware
1225 Equity LLC						Delaware
1225 Eye Street, N.W. Associates LLC						Delaware
1201 Equity LLC						Delaware
TTF Lending LLC						Delaware
TZO Lending LLC						Delaware
Piedmont-Las Colinas Corporate Center I, LP						Delaware
Piedmont-Las Colinas Corporate Center I, GP, LLC						Delaware
Piedmont-Las Colinas Corporate Center II, LP						Delaware
Piedmont-Las Colinas Corporate Center II, GP, LLC						Delaware
Piedmont 60 Broad Street, LLC						Delaware
Piedmont-800 Nicollet Avenue, LLC						Delaware
Piedmont-800 Nicollet Avenue Owner, LLC						Delaware
Piedmont-800 Nicollet Avenue Springing Member, LLC						Delaware
Piedmont-1430 Enclave Parkway, L.P.						Delaware
Piedmont-1430 Enclave Parkway, GP, LLC						Delaware
Enclave Place, GP, LLC						Delaware
Enclave Place, LP						Delaware
Meridian Crossings, LLC						Delaware
Medici Atlanta, LLC						Delaware
400 TownPark, LLC						Delaware
Gavitello Atlanta, LLC						Delaware
Glenridge Highlands III, LLC						Delaware
Piedmont - 901 N. Glebe, LLC						Delaware
Piedmont 5 & 15 Wayside, LLC						Delaware
Piedmont Royal Lane, LP						Delaware
Piedmont Royal Lane GP, LLC						Delaware
Piedmont 6565 MacArthur Boulevard, LP						Delaware
Piedmont 6565 MacArthur Boulevard GP, LLC						Delaware
Piedmont One Lincoln Park, LP						Delaware
Piedmont One Lincoln Park GP, LLC						Delaware

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Piedmont 161 Corporate Center, LP						Delaware
Piedmont 161 Corporate Center GP, LLC						Delaware
Piedmont 5 Wall Street Burlington, LLC						Delaware
Piedmont 1155 PCW, LLC						Delaware
Piedmont TownPark Land, LLC						Delaware
Piedmont Park Place, LP						Delaware
Piedmont Park Place GP, LLC						Delaware
Piedmont HBC, LLC						Delaware
Piedmont 500 TownPark, LLC						Delaware
Piedmont 80 Central, LLC						Delaware
Piedmont 300 Galleria, LLC						Delaware
Piedmont 200 & 250 South Orange Avenue, LLC						Delaware
Piedmont Glenridge Highlands One, LLC						Delaware
Piedmont Lending II, LLC						Delaware
Piedmont Towers Orlando Member, LLC						Delaware
Piedmont-CNL Towers Orlando, LLC						Delaware
Piedmont-CNL Towers Orlando Owner, LLC						Delaware
Piedmont One Wayside, LLC						Delaware
Piedmont 200 Galleria, LLC						Delaware
Piedmont 200 Galleria Owner, LLC						Delaware
Piedmont 750 W John Carpenter, LLC						Delaware
Piedmont Norman Pointe I, LLC						Delaware
Piedmont 501 W Church Street, LLC						Delaware
Piedmont 9320 Excelsior, LLC						Delaware
Piedmont 25 Mall Road, LLC						Delaware
Piedmont 100 Galleria, LLC						Delaware
Piedmont 400 Galleria, LLC						Delaware
Piedmont 500 Galleria Land, LLC						Delaware
Piedmont 500 Galleria Roundabout, LLC						Delaware
Piedmont 600 Galleria, LLC						Delaware
Piedmont Dallas Galleria, LLC						Delaware
Piedmont SOAB Building, LLC						Delaware
Piedmont 999 Peachtree One, LLC						Delaware
Piedmont 999 Peachtree Two, LLC						Delaware
Piedmont Galleria Park, LLC						Delaware
Piedmont Galleria Common Areas, LLC						Delaware
Piedmont 1180 Peachtree, LLC						Delaware
Upper Tier Piedmont 1180 Peachtree, LLC						Delaware
Piedmont 1180 Land, LLC						Delaware