This document provides information about the city of Daejeon, South Korea. It notes that Daejeon has a population of over 1.5 million, is surrounded by several mountains, and has a history dating back 1600 years to the Silla Dynasty. The document also mentions specific locations in Daejeon like the author's apartment, a local Buddhist temple, their university, and a research institute where they formerly worked developing millimeter-wave antennas.