Cloud_Strife
Deity
You should specify, recognized by who.
Chechnya is also a recognized part of Russia, Taiwan is recognized part of China and Kosovo is recognized part of Serbia.
What's your point? And Crimea is part of Ukraine, yet Russia refuses to acknowledge that, going so far as to aid and abet literal terrorists.
A country can invade its breakaway province.
That province is still however a part of said country.