This harbor is located in the southwestern coastal city of Puerto Montt in the Kingdom of Chile, quite close to the Andes Mountains.
Indeed, Desai, the capital of the Milunliria Republic, sits on the southeastern side of the Andes Mountains, mostly nestled at the junction of plains and rivers, with only a small portion backing onto the mountains.
The ancient mansion where the "Nature" Magic user, the old man, resided was located precisely in that small stretch of countryside.
Chapter 227