What is the difference between 한 가운데 and 가운데?
가운데 means middle of, I'm not sure about 한 가운데.
e.g. 방 한 가운데 난로가 있어요. There is a fireplace in the middle of the room?
Would this be the same/what is the difference: 방 가운데에 난로가 있어요

Question

What is the difference between 한 가운데 and 가운데?
가운데 means middle of, I'm not sure about 한 가운데.
e.g. 방 한 가운데 난로가 있어요. There is a fireplace in the middle of the room? 
Would this be the same/what is the difference: 방 가운데에 난로가 있어요

Answer

한가운데 = at the VERY center
가운데= at the center roughly, approximately, or between.