Where is Hungary? This is following the Anschluss so it should be there. Also, I think you should clarify that Germany is defined as territories officially incorporated into the Reich, so as to avoid conflict over whether Slovakia could actually be considered a sovereign state or not.
In March of 1939 (before the war began), Germany invaded Czechoslovakia and annexed the Czech portion, while installing a puppet state in the eastern Slovak region, thus creating Slovakia. And Yugoslavia bordered the Reich via the area now owned by Slovenia through Austria, since they had been annexed by the Germans a couple years prior