Exhibit 21.1

Subsidiary	State of Incorporation or Organization		Name under which Subsidiary Conducts           Business
The financial statements of the following entities were consolidated into the financial
statements of the Registrant at December 31, 2010:
Duke Acquisition, Inc.		Georgia	Duke Acquisition, Inc.
Duke Realty Ohio		Indiana	Duke Realty Ohio
Duke Construction Limited Partnership		Indiana	Duke Construction Limited Partnership
Duke Realty Construction, Inc.		Indiana	Duke Realty Construction, Inc.
Duke Realty Services, LLC		Indiana	Duke Realty Services, LLC
Duke Realty Services Limited Partnership		Indiana	Duke Realty Services Limited Partnership
Duke Realty Limited Partnership		Indiana	Duke Realty Limited Partnership
Duke Business Centers Corporation		Indiana	Duke Business Centers Corporation
Kenwood Office Associates		Ohio	Kenwood Office Developers Limited Partnership
Duke Kentucky, Inc.		Kentucky	Duke Kentucky, Inc.
Mark Center TMP, LLC		Delaware	Mark Center TMP, LLC
BD Adena Development, LLC		Indiana	BD Adena Development, LLC
BD Adena Financing, LLC		Indiana	BD Adena Financing, LLC
Physicians Office Building of Fort Wayne, LLC		Indiana	Physician Office Building of Fort Wayne, LLC
BD Fort Wayne Financing, LLC		Indiana	BD Fort Wayne Financing, LLC
BD Center Pointe, LLC		Georgia	BD Center Pointe, LLC
Dugan Realty, LLC		Indiana	Dugan Realty, L.L.C.
BremnerDuke - Anson Development I, LLC		Indiana	Bremner/Duke - Anson Development I, LLC
BremnerDuke - AOA Arlington Development, L.P.		Indiana	Bremner/Duke - AOA Arlington Development, L.P.
The Registrant accounted for the following entities on the equity method at December 31, 2010:
B/D Limited Partnership		Indiana	B/D Limited Partnership
Cincinnati Development Group Limited Liability Company		Ohio	Cincinnati Development Group Limited Liability Company
Dugan Texas, LLC		Delaware	Dugan Texas, LLC
Duke/Hawk, L.L.C.		Indiana	Duke/Hawk, L.L.C.
Hillside Partnership One LP		Georgia	Hillside Partnership One
Horizon Park Developers, Inc.		Georgia	Horizon Park Developers, Inc.
Northwinds Development LLC		Georgia	Northwinds Development LLC
Lamida Group, L.L.C.		Indiana	Lamida Group, L.L.C.
Northwinds Land, L.P.		Georgia	Northwinds Land, L.P.
Cincinnati Development Group/Other Ventures LLC		Ohio	Cincinnati Development Group/Other Ventures LLC
Dugan Millenia LLC		Delaware	Dugan Millenia LLC
Park Creek Venture		Indiana	Park Creek Venture
BCC Cancer Center Venture, L.P.		Delaware	BCC Cancer Center Venture, LP
BremnerDuke Mary Shiels Development, L.P.		Indiana	BremnerDuke Mary Shiels Development, L.P.
AD West End, LLC		Indiana	AD West End, LLC
Browning/Duke, LLC		Delaware	Browning/Duke, LLC
DRCS, LLC		Delaware	DRCS, LLC
P&L Duke 3630 Peachtree, L.P.		Georgia	P&L Duke 3630 Peachtree, L.P.
Quantico Real Estate, LLC		Delaware	Quantico Real Estate, LLC
Lafayette Real Estate, LLC		Delaware	Lafayette Real Estate, LLC
Duke/Kane, LLC		Delaware	Duke/Kane, LLC
200 GR, LLC		Ohio	200 GR, LLC
Linden Development, LLC		New Jersey	Linden Development, LLC
Duke/Hulfish, LLC		Delaware	Duke/Hulfish, LLC
The Registrant accounted for the following entity on the cost method at December 31, 2010:
Pinnacle Media, LLC		Indiana	Pinnacle Media, LLC