Exhibit 21.1

|Exact Name of Registrant as
Specified in its Charter |  | State or Other Jurisdiction of
Incorporation or
Organization
|---------------------------------------------------- |  | ------------------------------------------------------------
|Radio Unica Corp.                                    |  | Delaware                                                    
|Blaya Inc.                                           |  | Delaware                                                    
|Oro Spanish Broadcasting Inc.                        |  | California                                                  
|Radio Unica Network, Inc.                            |  | Delaware                                                    
|Radio Unica of Chicago, Inc.                         |  | Delaware                                                    
|Radio Unica of Chicago License Corp.                 |  | Delaware                                                    
|Radio Unica of Dallas, Inc.                          |  | Delaware                                                    
|Radio Unica of Dallas License Corp.                  |  | Delaware                                                    
|Radio Unica of Denver, Inc.                          |  | Delaware                                                    
|Radio Unica of Denver License Corp.                  |  | Delaware                                                    
|Radio Unica of Fresno, Inc.                          |  | Delaware                                                    
|Radio Unica of Fresno License Corp.                  |  | Delaware                                                    
|Radio Unica of Houston License Corp.                 |  | Delaware                                                    
|Radio Unica of Los Angeles, Inc.                     |  | Delaware                                                    
|Radio Unica of Los Angeles License Corp.             |  | Delaware                                                    
|Radio Unica of McAllen, Inc.                         |  | Delaware                                                    
|Radio Unica of McAllen License Corp.                 |  | Delaware                                                    
|Radio Unica of Miami, Inc.                           |  | Delaware                                                    
|Radio Unica of Miami License Corp.                   |  | Delaware                                                    
|Radio Unica of New York, Inc.                        |  | Delaware                                                    
|Radio Unica of New York License Corp.                |  | Delaware                                                    
|Radio Unica of Phoenix, Inc.                         |  | Delaware                                                    
|Radio Unica of Phoenix License Corp.                 |  | Delaware                                                    
|Radio Unica of Sacramento, Inc.                      |  | Delaware                                                    
|Radio Unica of Sacramento License Corp.              |  | Delaware                                                    
|Radio Unica of San Antonio, Inc.                     |  | Delaware                                                    
|Radio Unica of San Antonio License Corp.             |  | Delaware                                                    
|Radio Unica of San Diego, Inc.                       |  | Delaware                                                    
|Radio Unica of San Diego License Corp.               |  | Delaware                                                    
|Radio Unica of San Francisco Inc.                    |  | Delaware                                                    
|Radio Unica of San Francisco License Corp.           |  | Delaware                                                    
|Radio Unica Sales Corp.                              |  | Florida                                                     
|Radio Unica of Tucson, Inc.                          |  | Delaware                                                    
|Radio Unica of Tucson License Corp.                  |  | Delaware                                                    
|Mass Promotions, Inc.                                |  | Delaware                                                    
|Unicalibros Publishing Corp.                         |  | Delaware                                                    

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