According to Official Guinness Records,
This record is for the largest flag flown from a flagpole/flagstaff in terms of surface area. This record is to be attempted by a team of unlimited size. This record is measured in square metres and centimetres (m²), along with the imperial equivalent in square feet and inches (ft² in²). For the purposes of this record, a flown flag is defined as the action of hanging a piece of cloth or fabric material on a pole and flies in the wind. The flag has a symbol or emblem or design which represents a nation or institution.
For a complete list of 2017 records, please visit 2017 Guinness Records in United Arab Emirates.