The phrase "area with which" is correct and usable in written English.
It can be used when referring to a specific subject or topic that is being discussed or analyzed.
Example: "The area with which we are concerned involves environmental sustainability and its impact on local communities."
Alternatives: "field in which" or "domain that relates to".
When she first arrived at Citigroup, she oversaw an area with which she had deep familiarity — the brokerage business.
It is eminently desirable, however, that this should be extended to include the Caucasus regions to the north of the Hittite area, with which certain of the evidence, especially of philology, appears to indicate a cultural affinity.
The kingdom has a history stretching back five centuries, but during colonial times Barotseland was a British protectorate, a status allowing greater autonomy than the rest of the area with which it was governed.
In the online form, under Additional Academic Interests, applicants should indicate the area with which they wish their LSTD program be linked: Developmental and Psychological Sciences (DAPS), Curriculum Studies and Teacher Education CTEE) or Social Sciences, Policy and Educational Practice (SHIPS).
It is an area with which he is familiar, having sat on the creative industries taskforce set up in 1997 amidst the wave of euphoria that greeted the first post-Thatcher Labour victory - a well-intentioned attempt to capitalise on the creative successes in Britain that ended in Cool Britannia derision when hordes of pop stars were paraded incongruously in Downing Street.
It is an area with which the author has been conversant since his earliest years: born in St Kitts, then raised in England in the Sixties and Seventies, he found that this was not the easiest time to be the only black kid in the school.
Despite her deliberate vagueness in areas with which she is unfamiliar, she has a reputation for being a quick study.
The organization mounted anti-mugger patrols in neighborhoods bordered by black areas, with which the group was at odds.
The first stage consists of general, uncommitted discussions of any current problem areas with which user groups are concerned.
Many, like my father, were pushed into areas with which they had no real connection or history.
"They are keen to buy second homes in areas with which they have a long association, such as southern Spain and the Algarve in Portugal".
