The Grestin border checkpoint is located between West Grestin in Kolechia and East Grestin in Arstotzka. This is where all the gameplay will occur. The border is opened on Day 1 after the war between Arstotzka and Kolechia resulting in the division of Grestin. and the newspaper then states that "Families are to be re-united." The inspector's booth is located in this location along with the line of entrants trying to get inside East Grestin and thus Arstotzka, the guard post (north from the booth) and a road (on the right).