in (one's) (own) back yard
In or near to one's area of residence or business. Local farmers have banded together to protest the government's plan of building a series of windfarm generators in their back yard. We don't want to have such a large, ugly monument in our own back yard.
in your (own) backˈyard
in or near the place where you live or work: The residents didn’t want a new factory in their backyard.The party leader is facing opposition in his own backyard (= from his own members).The term nimby is formed from the first letters of not in my backyard. A nimby is a person who claims to be in favour of a new project, but objects if it is too near their home and will disturb them in some way.