| AdditionalContents | A collection of Additional Content elements. |
| Address | Uses any part of address information, such as street name, postal code, or country code. |
| CodeRef | Indicates the location of points of interest. |
 HotelRef | Indicates the detail of hotel reference information. |
| MapArea | Provides coordinates used to define the area of a map. |
| Position | The Position element contains three attributes, Latitude, Longitude, and Altitude, used to indicate the geographic location(s) requested by the search, expressed in notation specified by ISO standard 6709. It is likely that only the first two attributes, Latitude and Longitude, would be needed to define a geographic area. |
| Radius | Used to specify the extent of a search area. The extent is relative to an element (position, address, hotel reference, etc.) present in this ItemSearchCriterionType that specifies a location. |
| RefPoint | The Reference Point element allows for a search by proximity to a designated reference point by name. |
| Telephone | Telephone number(s) used in the search. |