Dymer is a small settlement located 50 km to the north of Kyiv. Its pre-war population was approximately 6 000 people. Kozarovychi is an even smaller settlement of around 2 000 people, located 5 km south of Dymer. Both settlements are located in Vyshhorod Raion, which borders the city of Kyiv to the south and the Chornobyl Exclusion Zone to the north. Katyuzhanka is located 14 km west of Dymer and 60 km north of Kyiv. It sits on two key roads connecting Belarus and Kyiv. Katyuzhanka had a pre-war civilian population of approximately 4 000 people.