GitHub was already under DevDiv, with Dohmke previously reporting to Julia Liuson. GitHub was moved under CoreAI in the reorg you mentioned. This move isn't new, it's just now more integrated and widely reported.

Ankara is the nearest city to Kırşehir, considered by some to be the geographical centre of the world (as viewed on a typical flat map).

Yes.

There’s a great YouTube view about exactly this by Stand Up Maths if you want to go down a rabbit hole.

https://youtube.com/watch?v=3cNdM7W0VlQ