1、Table of ContentsUNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON,D.C.20549FORM 20-F(Mark One)REGISTRATION STATEMENT PURSUANT TO SECTION 12(b)OR(g)OF THE SECURITIES EXCHANGE ACT OF 1934OR ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year

2、ended December 31,2023.OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934OR SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934Date of event requiring this shell company report.For the transition period from toCommission

3、file number:001-36430Tuniu Corporation(Exact name of Registrant as specified in its charter)N/A(Translation of Registrants name into English)Cayman Islands(Jurisdiction of incorporation or organization)6,8-12th floor,building 6-A,JuhuiyuanNO.108 Xuanwudadao,Xuanwu DistrictNanjing,Jiangsu Province 21

4、0023The Peoples Republic of China(Address of principal executive offices)Mr.Anqiang Chen,Financial ControllerTelephone:+(86)25 86853969Email:6,8-12th floor,building 6-A,JuhuiyuanNO.108 Xuanwudadao,Xuanwu DistrictNanjing,Jiangsu Province 210023The Peoples Republic of China(Name,Telephone,E-mail and/o

5、r Facsimile number and Address of Company Contact Person)Securities registered or to be registered pursuant to Section 12(b)of the Act.Title of each class Trading Symbol(s)Name of each exchange on which registeredAmerican depositary shares(one American depositary share representing three Class A ord

6、inary shares,par value US$0.0001 per share)TOURThe Nasdaq Stock Market LLC(The Nasdaq Global Market)Class A ordinary shares,par value US$0.0001 per share*The Nasdaq Stock Market LLC(The Nasdaq Global Market)*Not for trading,but only in connection with the listing on The Nasdaq Global Market of Ameri