UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM 20-F/A

(Amendment No. 1)

¨	REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934
OR
x	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31, 2017
OR
¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from __________ to ___________
OR
¨	SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of event requiring this shell company report ______________

Commission file number 001-38354

CORPORACIÓN AMERICA AIRPORTS S.A.

(Exact name of Registrant as specified in its charter)

Grand Duchy of Luxembourg

(Jurisdiction of incorporation or organization)

Raúl Guilermo Francos, Chief Financial Officer

Tel:+35226258274 Fax:+35226259776

4, rue de la Grêve L-1643, Luxembourg

(Name, Telephone, E-mail and or Facsimile number and Address Company Contact Person)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Name of each exchange in which registered
Common Shares, U.S.$1.00 nominal value per share	New York Stock Exchange

Securities registered pursuant to Section 12(g) of the Act: None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None

Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period covered by the annual report:

1,500,000,000 Common Shares, as of December 31, 2017

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

¨ Yes x No

If this report is an annual or transition report, indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934.

¨ Yes x No

Note — Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 from their obligations under those Sections.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

¨ Yes x No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

¨ Yes x No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ¨	Accelerated filer ¨	Non-accelerated filer x
		Emerging growth company ¨

If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards† provided pursuant to Section 13(a) of the Exchange Act. ¨

† The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.

Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing:

U.S. GAAP ¨ International Financial Reporting Standards as issued
by the International Accounting Standards Board x Other ¨

If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected to follow.

¨ Item 17 ¨ Item 18

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

¨ Yes x No

EXPLANATORY NOTE

This Amendment No. 1 to Corporación America Airports S.A.’s Annual Report on Form 20-F for the fiscal year ended December 31, 2017, originally filed with the Securities and Exchange Commission on April 27, 2018 (the “2017 Form 20-F”), is being filed solely for the purposes of adding Exhibit 101 to Item 19 “Exhibits” and furnishing the Interactive Data File disclosure as Exhibit 101 in accordance with Rule 405 of Regulation S-T. This exhibit was not previously filed.

Other than as expressly set forth above, this Amendment No. 1 to the 2017 Form 20-F does not, and does not purport to, amend, update or restate the information in any other item of the 2017 Form 20-F, or reflect any events that have occurred after the 2017 Form 20-F was originally filed.

PART III.

Item 19. Exhibits.

Exhibit Number	Description of Document
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document

SIGNATURES

The registrant hereby certifies that it meets all of the requirements for filing on Form 20-F and that it has duly caused and authorized the undersigned to sign this Amendment No.1 to its annual report on Form 20-F on its behalf.

CORPORACIÓN AMÉRICA AIRPORTS S.A.

By: /s/ Martín Francisco Antranik Eurnekian

Name: Martín Francisco Antranik Eurnekian

Title: Chief Executive Officer

By: /s/ Raúl Guillermo Francos

Name: Raúl Guillermo Francos

Title: Chief Financial Officer

Date: May 25, 2018