The lecture is devoted to Japanese territorial disputes in East Asia based on an article published in Asian Geographer in 2020. We will introduce general issues of political geography in East Asia, then compare all Japanese territorial disputes with neighbouring states and connect the findings to broader international phenomena, meanings and repercussions. In the first part, we will introduce our research design and how we approached deconstructing selected media discourses on Japan?s territorial disputes, namely in The Asahi Shimbun, The Japan News andThe Japan Times, covering articles from 2002 to 2018. We conducted a mixture of content and discourse analysis with the lexicostatistical tool AntConc in the general framework of critical geopolitics. The outcomes illustrate that nationalist geopolitical imaginations are popular among all researched newspapers with strong dominance of solely Japanese toponyms. On top of that, we will explore other problems - the continental shelf expansion in Japan's and South Korea?s naming dispute over the Sea of Japan/East Sea. The lecture shall be held by Lukáš Laš (University of Ostrava, Czechia) and Simon Wellisch (Münster, Germany).