The phrase "about the side of" is correct and usable in written English.
It can be used when discussing a particular aspect or feature related to a side of something, often in a descriptive context.
Example: "We need to gather more information about the side of the building that faces the street."
Alternatives: "regarding the aspect of" or "concerning the part of".
Will I regret writing about the side of Ibiza best known to the Spanish, but few Britons have still discovered?
But there seem to be papal candidates who are capable of reminding the world about the side of Catholicism that celebrates voluntary poverty and service to the indigent.
We will be discovering more today about the side of Manchester City which has been obscured by the cheap narrative about oil-rich sheikhs coming in with their money and killing our football.
In a city packed with five-star hotels, Mr. Bottiglieri has to know not only about restaurants and theater tickets to do his job well, but also about the side of London that doesn't have a big place in guidebooks.
Strewn about the side of his bed are his suitcase, a plate with the remains of room-service breakfast, and a copy of Angler, the biography of former vice-president Dick Cheney.
If so, think about the side of you that cares for someone else -- your loved one, a child or a pet.
— Lucy NEIL GENZLINGER: Not sure what to make about the side-of-the-bed thing — we'd all benefit from a return to the days when married TV couples slept in twins.
Let's talk about the side effects of the creeping apotheosis of solar power.
No concerns about the side effects of the latest round of chemo earlier in the day.
The agriculture department and GPs played very little role in the dissemination of information about the side effects of pesticide use (Table 3).
Concerns about the side-effects of bupropion was measured with the item "I am concerned about the side effects of bupropion" based on a similar measure used in another study [ 11].
