UNITED STATES
                         SECURITIES EXCHANGE COMMISSION
                             Washington, D.C. 20549

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                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                              Boston Properties Inc
                  ----------------------------------------------
                                (Name of Issuer)


                          	  Common Stock
              -----------------------------------------------------
                         (Title of Class of Securities)


                                   101121101
                              ---------------------
                                 (CUSIP Number)


                                January 04, 2018
                                ----------------
             (Date of Event which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                              [ ]   Rule 13d-1(b)

                              [X]   Rule 13d-1(c)

                              [ ]   Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


                          Continued on following pages
                                Page 1 of 5 Pages


SCHEDULE 13G CUSIP No.: 101121101 Page 2 of 5 Pages ................................................................................. 1. Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). NORGES BANK (THE CENTRAL BANK OF NORWAY) ................................................................................. 2. Check the Appropriate Box if a Member of a Group (a) [ ] (b) [ ] N/A ................................................................................. 3. SEC Use Only ................................................................................. 4. Citizenship or Place of Organization NORWAY ................................................................................. Number of 5. Sole Voting Power 8,153,590 Shares Beneficially ................................................................ Owned by Each Reporting 6. Shared Voting Power 0 Person With ................................................................ 7. Sole Dispositive Power 8,153,590 ................................................................ 8. Shared Dispositive Power 0 ................................................................................. 9. Aggregate Amount Beneficially Owned by Each Reporting Person 8,153,590 ................................................................................. 10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) N/A ................................................................................. 11. Percent of Class Represented by Amount in Row (9) 5.28% ................................................................................. 12. Type of Reporting Person: OO

CUSIP No.: 101121101 Page 3 of 5 Pages Item 1(a). Name of Issuer: Boston Properties Inc (the "Issuer"). Item 1(b). Address of Issuer's Principal Executive Offices: 800 Boylston Street, Suite 1900 Boston, Massachusetts 02199 USA Item 2(a). Name of Person Filing: This Statement is filed on behalf of each of the following persons (collectively, the "Reporting Persons"): NORGES BANK (CENTRAL BANK OF NORWAY) Item 2(b). Address of Principal Business Office or, if None, Residence: Bankplassen 2 PO Box 1179 Sentrum NO 0107 Oslo Norway Item 2(c). Citizenship: Norwegian Item 2(d). Title of Class of Securities: Common Stock Item 2(e). CUSIP Number: 101121101 Item 3. If This Statement is Filed Pursuant to ss.ss.240.13d-1(b) or 240.13d-2(b) or (c), Check Whether the Person Filing is a: This Item 3 is not applicable. Item 4(a)-(c)(iv). Ownership: Items 5-11 of the cover pages are incorporated by reference.

CUSIP No.: 101121101 Page 4 of 5 Pages Item 5. Ownership of Five Percent or Less of a Class: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class securities, check the following [ ]. Item 6. Ownership of More than Five Percent on Behalf of Another Person: This Item 6 is not applicable. Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company: This Item 7 is not applicable. Item 8. Identification and Classification of Members of the Group: This Item 8 is not applicable. Item 9. Notice of Dissolution of Group: This Item 9 is not applicable. Item 10. Certification: By signing below each of the Reporting Persons certifies that, to the best of their knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

CUSIP No.: 101121101 Page 5 of 5 Pages SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. NORGES BANK Date: January 05, 2018 By: /s/ Sai Aanandha Shankhar ---------------------- Name: Sai Aanandha Shankhar Title: Advisor - Compliance