Simon 2021 Annual Report

Exhibit 21.1

List of Subsidiaries of Simon Property Group, Inc.

Subsidiary

Jurisdiction

Simon Property Group, L.P. The Retail Property Trust Simon Property Group (Illinois), L.P. Simon Property Group (Texas), L.P. M.S. Management Associates, Inc. Kravco Simon Investments, L.P. Premium Outlet Partners, L.P. SPG Mayflower, LLC Silver Merger Sub 1, LLC Silver Merger Sub 2, LLC Simon MAC S.a.r.l. Simon International S.a.r.l. Simon Global Development B.V. Simon Property Group (Illinois), L.P. Simon Property Group (Texas), L.P. M.S. Management Associates, Inc. Kravco Simon Investments, L.P. Premium Outlet Partners, L.P. SPG Mayflower, LLC Silver Merger Sub 1, LLC Silver Merger Sub 2, LLC Simon MAC S.a.r.l. Simon International S.a.r.l. Simon Global Development B.V. Subsidiary The Retail Property Trust

Delaware

Massachusetts

Illinois Texas

Delaware Delaware

Simon Property Group Administrative Services Partnership, L.P.

Pennsylvania Delaware Delaware Delaware Delaware Netherlands Luxembourg Luxembourg

List of Subsidiaries of Simon Property Group, L.P.

Jurisdiction

Massachusetts

Illinois Texas

Delaware Delaware

Simon Property Group Administrative Services Partnership, L.P.

Pennsylvania Delaware Delaware Delaware Delaware Netherlands Luxembourg Luxembourg

Omits names of subsidiaries that as of December 31, 2021 were not, in the aggregate, “significant subsidiaries.”