Since the mountainous region is mostly on the jap Component of the peninsula, the leading rivers are inclined to circulation westwards. Two exceptions are definitely the southward-flowing Nakdong River and Seomjin River.

A few in the commanderies fell 슬롯솔루션 or retreated westward within a number of decades, though the Lelang Commandery remained like a Centre of cultural and economic Trade with successive Chinese dynasties for four generations. By 313, Goguryeo annexed every one of the Chinese commanderies.