The phrase "address in which" is correct and usable in written English.
It can be used when referring to a specific location or context related to an address, often in formal or descriptive writing.
Example: "Please provide the address in which the event will take place."
Alternatives: "address where" or "location at which".
But no matter, he's certainly treating it as a victory speech, making a triumphal, rambling address in which he — surprise!
Unlike his predecessors, he has not given a major foreign-policy address in which he has outlined a world view.
Many referenced Barack Obama's second inaugural address, in which the president mentioned the Stonewall riots and placed gay rights within the context of the wider civil rights movement.
Officials said his speechwriters had been told to draft an address in which he would explain the objectives of his military and domestic actions since Sept. 11.
That pressure began with President Bush's State of the Union address, in which he called North Korea a member of what he termed an "axis of evil".
The plans were outlined in Ms. Quinn's State of the City address, in which she detailed her Council priorities for the next fiscal year.
Tells about Beame's Sept. 10 address in which he accepted responsibility for the fiscal mess, after having, throughout the spring & summer, blamed others.
There were emollient parts of the address, in which he praised his defeated leadership rivals Liz Kendall, Yvette Cooper and Andy Burnham.
That's Ryan Lizza's take on President Obama's fifth State of the Union address, in which Obama vowed to take action independently if Congress declined to join him.
The first signs of this came early in the year with president Obama's State of the Union address, in which he stated "Climate change is a fact.
Mr. Trump called the news media "dishonest" in the rambling and sometimes manic-sounding address, in which he hopscotched from one topic to another.
